Tyrant Guard

Tyrant Guard (Warhammer 40,000 Commander)
Xavier Ribeiro

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Shieldwall — Sacrifice this creature: Creatures you control with counters on them gain hexproof and indestructible until end of turn.

Predatory Impetus (Commander Legends: Battle for Baldur's Gate)
Xavier Ribeiro

Enchant creature Enchanted creature gets +3/+3, must be blocked if able, and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Aetherize (Warhammer 40,000 Commander)
Xavier Ribeiro

Return all attacking creatures to their owner's hand.

No berzerker charge can stand against the psychic might of the Hive Mind.

Thundering Raiju (Kamigawa: Neon Dynasty Promos)
Xavier Ribeiro

Haste Whenever this creature attacks, put a +1/+1 counter on target creature you control. Then this creature deals X damage to each opponent, where X is the number of modified creatures you control other than this creature. (Equipment, Auras you control, and counters are modifications.)

Transforming Flourish (Tarkir: Dragonstorm Commander)
Xavier Ribeiro

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.) Destroy target artifact or creature you don't control. If that permanent is destroyed this way, its controller exiles cards from the top of their library until they exile a nonland card, then they may cast that card without paying its mana cost.

Boomer Scrapper (Fallout)
Xavier Ribeiro

Whenever this creature enters or attacks, you lose 1 life and create a Junk token. (It's an artifact with "{T}, Sacrifice this token: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.") Whenever a token you control leaves the battlefield, put a +1/+1 counter on this creature.

Tato Farmer (Fallout)
Xavier Ribeiro

Landfall — Whenever a land you control enters, you may get two rad counters. {T}: Put target land card in a graveyard that was milled this turn onto the battlefield under your control tapped.

"Try one! They're disgusting!"

Tervigon (Warhammer 40,000 Commander)
Xavier Ribeiro

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Trample Spawn Termagants — Whenever this creature deals combat damage to a player, create that many 1/1 green Tyranid creature tokens.

Hurler Cyclops (Dominaria United)
Xavier Ribeiro

{1}, Sacrifice another creature: This creature deals 1 damage to any target.

"It's my fault, really. I told him to throw anything he could find at the enemy." —Throppel, auxiliary commander

Disruptor Flute (Modern Horizons 3)
Xavier Ribeiro

Flash As this artifact enters, choose a card name. Spells with the chosen name cost {3} more to cast. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Wand of Wonder (Battle for Baldur's Gate Promos)
Xavier Ribeiro

{4}, {T}: Roll a d20. Each opponent exiles cards from the top of their library until they exile an instant or sorcery card, then shuffles the rest into their library. You may cast up to X instant and/or sorcery spells from among cards exiled this way without paying their mana costs. 1—9 | X is one. 10—19 | X is two. 20 | X is three.

Raggadragga, Goreguts Boss (Commander Legends: Battle for Baldur's Gate)
Xavier Ribeiro

Each creature you control with a mana ability gets +2/+2. Whenever a creature you control with a mana ability attacks, untap it. Whenever you cast a spell, if at least seven mana was spent to cast it, untap target creature. It gets +7/+7 and gains trample until end of turn.

Spinner of Souls (Foundations)
Xavier Ribeiro

Reach Whenever another nontoken creature you control dies, you may reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

Wand of Wonder (Commander Legends: Battle for Baldur's Gate)
Xavier Ribeiro

{4}, {T}: Roll a d20. Each opponent exiles cards from the top of their library until they exile an instant or sorcery card, then shuffles the rest into their library. You may cast up to X instant and/or sorcery spells from among cards exiled this way without paying their mana costs. 1—9 | X is one. 10—19 | X is two. 20 | X is three.

Unstoppable Ogre (Kamigawa: Neon Dynasty)
Xavier Ribeiro

When this creature enters, target creature can't block this turn.

Touma never met a door he didn't hate.

Mysterious Stranger (Fallout)
Xavier Ribeiro

Flash When this creature enters, for each graveyard with an instant or sorcery card in it, exile target instant or sorcery card from that graveyard. If two or more cards are exiled this way, choose one of them at random and copy it. You may cast the copy without paying its mana cost.

Tyrranax Atrocity (Phyrexia: All Will Be One)
Xavier Ribeiro

Haste Toxic 3 (Players dealt combat damage by this creature also get three poison counters.)

While some predators specialize in speed, size, or deadly venom, the adaptive tyrranax see no need to limit themselves.

Ravener (Warhammer 40,000 Commander)
Xavier Ribeiro

Flash Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) When this creature enters, target creature attacks target opponent this turn if able.

Redshift, Rocketeer Chief (Aetherdrift)
Xavier Ribeiro

Vigilance {T}: Add X mana of any one color, where X is Redshift's power. Spend this mana only to activate abilities. Exhaust — {10}{R}{G}: Put any number of permanent cards from your hand onto the battlefield. (Activate each exhaust ability only once.)

Thundering Raiju (Kamigawa: Neon Dynasty)
Xavier Ribeiro

Haste Whenever this creature attacks, put a +1/+1 counter on target creature you control. Then this creature deals X damage to each opponent, where X is the number of modified creatures you control other than this creature. (Equipment, Auras you control, and counters are modifications.)

Disruptor Flute (Modern Horizons 3 Promos)
Xavier Ribeiro

Flash As this artifact enters, choose a card name. Spells with the chosen name cost {3} more to cast. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Tato Farmer (Fallout)
Xavier Ribeiro

Landfall — Whenever a land you control enters, you may get two rad counters. {T}: Put target land card in a graveyard that was milled this turn onto the battlefield under your control tapped.

"Try one! They're disgusting!"

Yathan Tombguard (Tarkir: Dragonstorm)
Xavier Ribeiro

Menace (This creature can't be blocked except by two or more creatures.) Whenever a creature you control with a counter on it deals combat damage to a player, you draw a card and you lose 1 life.

"Our khan would grant you clemency. She is naive. And unfortunately for you, she is also not here."

Chaos Warp (Bloomburrow Commander)
Xavier Ribeiro

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

"Has anyone seen Fli-fli? Is he still out with those frogfolk wizards?" —Illa, otterfolk scout

Spinner of Souls (Foundations)
Xavier Ribeiro

Reach Whenever another nontoken creature you control dies, you may reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

Wand of Wonder (Commander Legends: Battle for Baldur's Gate)
Xavier Ribeiro

{4}, {T}: Roll a d20. Each opponent exiles cards from the top of their library until they exile an instant or sorcery card, then shuffles the rest into their library. You may cast up to X instant and/or sorcery spells from among cards exiled this way without paying their mana costs. 1—9 | X is one. 10—19 | X is two. 20 | X is three.

Ravener (Warhammer 40,000 Commander)
Xavier Ribeiro

Flash Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) When this creature enters, target creature attacks target opponent this turn if able.

Ragefire Hellkite (Dominaria United)
Xavier Ribeiro

Flying Whenever this creature attacks, you may sacrifice another creature. If you do, this creature gains double strike until end of turn.

"Well, the good news is that sound wasn't the volcano erupting . . ." —George, Coalition scout

Imskir Iron-Eater (Modern Horizons 3)
Xavier Ribeiro

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When Imskir enters, you draw X cards and you lose X life, where X is half the number of artifacts you control, rounded down. {3}{R}, Sacrifice an artifact: Imskir deals damage equal to the sacrificed artifact's mana value to any target.

Crush Contraband (Fallout)
Xavier Ribeiro

Choose one or both — • Exile target artifact. • Exile target enchantment.

"This tech is unworthy of preservation."

Tyrant Guard (Warhammer 40,000 Commander)
Xavier Ribeiro

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Shieldwall — Sacrifice this creature: Creatures you control with counters on them gain hexproof and indestructible until end of turn.

Atraxa's Fall (The List)
Xavier Ribeiro

Destroy target artifact, battle, enchantment, or creature with flying.

"Fallen angels should stay fallen." —Henzie "Toolbox" Torre

Threefold Thunderhulk (The Lost Caverns of Ixalan)
Xavier Ribeiro

This creature enters with three +1/+1 counters on it. Whenever this creature enters or attacks, create a number of 1/1 colorless Gnome artifact creature tokens equal to its power. {2}, Sacrifice another artifact: Put a +1/+1 counter on this creature.

Disruptor Flute (Modern Horizons 3)
Xavier Ribeiro

Flash As this artifact enters, choose a card name. Spells with the chosen name cost {3} more to cast. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Boomer Scrapper (Fallout)
Xavier Ribeiro

Whenever this creature enters or attacks, you lose 1 life and create a Junk token. (It's an artifact with "{T}, Sacrifice this token: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.") Whenever a token you control leaves the battlefield, put a +1/+1 counter on this creature.

Fireshrieker (Fallout)
Xavier Ribeiro

Equipped creature has double strike. (It deals both first-strike and regular combat damage.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

The flamer is a specially engineered flamethrower suited for extended combat engagements. It delivers sustained energy damage and can completely immolate a target.

Imskir Iron-Eater (Modern Horizons 3)
Xavier Ribeiro

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When Imskir enters, you draw X cards and you lose X life, where X is half the number of artifacts you control, rounded down. {3}{R}, Sacrifice an artifact: Imskir deals damage equal to the sacrificed artifact's mana value to any target.

Nethergoyf (Modern Horizons 3)
Xavier Ribeiro

Nethergoyf's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1. Escape—{2}{B}, Exile any number of other cards from your graveyard with four or more card types among them. (You may cast this card from your graveyard for its escape cost.)

Imskir Iron-Eater (Modern Horizons 3 Promos)
Xavier Ribeiro

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When Imskir enters, you draw X cards and you lose X life, where X is half the number of artifacts you control, rounded down. {3}{R}, Sacrifice an artifact: Imskir deals damage equal to the sacrificed artifact's mana value to any target.

Boomer Scrapper (Fallout)
Xavier Ribeiro

Whenever this creature enters or attacks, you lose 1 life and create a Junk token. (It's an artifact with "{T}, Sacrifice this token: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.") Whenever a token you control leaves the battlefield, put a +1/+1 counter on this creature.

Warren Soultrader (Modern Horizons 3)
Xavier Ribeiro

Pay 1 life, Sacrifice another creature: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Flameskull (Adventures in the Forgotten Realms Promos)
Xavier Ribeiro

Flying This creature can't block. Rejuvenation — When this creature dies, exile it. If you do, exile the top card of your library. Until the end of your next turn, you may play one of those cards. (If you cast Flameskull this way, you can't play the other card, and vice versa.)

Dreadwing Scavenger (Foundations)
Xavier Ribeiro

Flying Whenever this creature enters or attacks, draw a card, then discard a card. Threshold — This creature gets +1/+1 and has deathtouch as long as there are seven or more cards in your graveyard.

It scours battlefields for corpses, consuming flesh and souls alike.

Spinner of Souls (Foundations Promos)
Xavier Ribeiro

Reach Whenever another nontoken creature you control dies, you may reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

Flameskull (Adventures in the Forgotten Realms Promos)
Xavier Ribeiro

Flying This creature can't block. Rejuvenation — When this creature dies, exile it. If you do, exile the top card of your library. Until the end of your next turn, you may play one of those cards. (If you cast Flameskull this way, you can't play the other card, and vice versa.)

Inspiration from Beyond (Foundations)
Xavier Ribeiro

Mill three cards, then return an instant or sorcery card from your graveyard to your hand. Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When seeking spiritual enlightenment, best to go directly to the source.

Threefold Thunderhulk (The Lost Caverns of Ixalan Promos)
Xavier Ribeiro

This creature enters with three +1/+1 counters on it. Whenever this creature enters or attacks, create a number of 1/1 colorless Gnome artifact creature tokens equal to its power. {2}, Sacrifice another artifact: Put a +1/+1 counter on this creature.

Flameskull (Adventures in the Forgotten Realms)
Xavier Ribeiro

Flying This creature can't block. Rejuvenation — When this creature dies, exile it. If you do, exile the top card of your library. Until the end of your next turn, you may play one of those cards. (If you cast Flameskull this way, you can't play the other card, and vice versa.)

Jeskai Devotee (Tarkir: Dragonstorm)
Xavier Ribeiro

Flurry — Whenever you cast your second spell each turn, this creature gets +1/+1 until end of turn. {1}: Add {U}, {R}, or {W}. Activate only once each turn.

A master of the Whirling Blade technique, he did not hesitate to leap to the monastery's defense.

Transplant Theorist (Phyrexia: All Will Be One)
Xavier Ribeiro

Whenever this creature or another artifact you control enters, you may draw a card. If you do, discard a card. {2}: Put target card from your graveyard on the bottom of your library.

Vindictive Flamestoker (Phyrexia: All Will Be One)
Xavier Ribeiro

Whenever you cast a noncreature spell, put an oil counter on this creature. {6}{R}, Sacrifice this creature: Discard your hand, then draw four cards. This ability costs {1} less to activate for each oil counter on this creature.

Boomer Scrapper (Fallout)
Xavier Ribeiro

Whenever this creature enters or attacks, you lose 1 life and create a Junk token. (It's an artifact with "{T}, Sacrifice this token: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.") Whenever a token you control leaves the battlefield, put a +1/+1 counter on this creature.

Mysterious Stranger (Fallout)
Xavier Ribeiro

Flash When this creature enters, for each graveyard with an instant or sorcery card in it, exile target instant or sorcery card from that graveyard. If two or more cards are exiled this way, choose one of them at random and copy it. You may cast the copy without paying its mana cost.

Tervigon (Warhammer 40,000 Commander)
Xavier Ribeiro

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Trample Spawn Termagants — Whenever this creature deals combat damage to a player, create that many 1/1 green Tyranid creature tokens.

Spinner of Souls (Foundations)
Xavier Ribeiro

Reach Whenever another nontoken creature you control dies, you may reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

Unstoppable Ogre (Foundations Jumpstart)
Xavier Ribeiro

When this creature enters, target creature can't block this turn.

Touma never met a door he didn't hate.

Vindictive Flamestoker (Phyrexia: All Will Be One Promos)
Xavier Ribeiro

Whenever you cast a noncreature spell, put an oil counter on this creature. {6}{R}, Sacrifice this creature: Discard your hand, then draw four cards. This ability costs {1} less to activate for each oil counter on this creature.

Her faith burns hot enough to sear away the flesh of the heretic.

Battlefly Swarm (Dominaria United)
Xavier Ribeiro

Flying {B}: This creature gains deathtouch until end of turn.

Having encountered the bitter Phyrexian battleflies before, Squee knew not to bother eating them—or at least to stop after the fifth.

Atraxa's Fall (March of the Machine)
Xavier Ribeiro

Destroy target artifact, battle, enchantment, or creature with flying.

"Fallen angels should stay fallen." —Henzie "Toolbox" Torre

Kami of Jealous Thirst (Modern Horizons 3)
Xavier Ribeiro

Deathtouch {4}{B}: Each opponent loses 2 life and you gain 2 life. This ability costs {4}{B} less to activate if you've drawn three or more cards this turn. Activate only once each turn.

The bustle of life in Towashi opened up new avenues for less benevolent kami.

Scampering Surveyor (The Lost Caverns of Ixalan)
Xavier Ribeiro

When this creature enters, search your library for a basic land card or Cave card, put it onto the battlefield tapped, then shuffle.

It knows the length, pitch, and orientation of every tunnel it has ever traversed.

Tervigon (Warhammer 40,000 Commander)
Xavier Ribeiro

贪食（此生物进战场时上面有X个+1/+1指示物。如果X等于或大于5，则当它进战场时抓一张牌。） 践踏 孽生枪虫～每当母虫对任一牌手造成战斗伤害时，派出等量的1/1绿色泰伦虫族衍生生物。

Flameskull (Adventures in the Forgotten Realms Promos)
Xavier Ribeiro

Flying This creature can't block. Rejuvenation — When this creature dies, exile it. If you do, exile the top card of your library. Until the end of your next turn, you may play one of those cards. (If you cast Flameskull this way, you can't play the other card, and vice versa.)

Acquired Mutation (Fallout)
Xavier Ribeiro

Enchant creature Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, defending player gets two rad counters.

The radiation of the wasteland has changed you!

Nethergoyf (Modern Horizons 3 Promos)
Xavier Ribeiro

Nethergoyf's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1. Escape—{2}{B}, Exile any number of other cards from your graveyard with four or more card types among them. (You may cast this card from your graveyard for its escape cost.)

Raggadragga, Goreguts Boss (Battle for Baldur's Gate Promos)
Xavier Ribeiro

Each creature you control with a mana ability gets +2/+2. Whenever a creature you control with a mana ability attacks, untap it. Whenever you cast a spell, if at least seven mana was spent to cast it, untap target creature. It gets +7/+7 and gains trample until end of turn.

Crush Contraband (Fallout)
Xavier Ribeiro

Choose one or both — • Exile target artifact. • Exile target enchantment.

"This tech is unworthy of preservation."

Tato Farmer (Fallout)
Xavier Ribeiro

Landfall — Whenever a land you control enters, you may get two rad counters. {T}: Put target land card in a graveyard that was milled this turn onto the battlefield under your control tapped.

"Try one! They're disgusting!"

Aetherize (Warhammer 40,000 Commander)
Xavier Ribeiro

Return all attacking creatures to their owner's hand.

No berzerker charge can stand against the psychic might of the Hive Mind.

Wurmquake (Phyrexia: All Will Be One Commander)
Xavier Ribeiro

Corrupted — Create an X/X green Phyrexian Wurm creature token with trample and toxic 1, where X is the amount of mana spent to cast this spell. Then for each opponent with three or more poison counters, you create another one of those tokens. Flashback {8}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Vindictive Flamestoker (Phyrexia: All Will Be One Promos)
Xavier Ribeiro

Whenever you cast a noncreature spell, put an oil counter on this creature. {6}{R}, Sacrifice this creature: Discard your hand, then draw four cards. This ability costs {1} less to activate for each oil counter on this creature.

Her faith burns hot enough to sear away the flesh of the heretic.

Vindictive Flamestoker (Phyrexia: All Will Be One)
Xavier Ribeiro

Whenever you cast a noncreature spell, put an oil counter on this creature. {6}{R}, Sacrifice this creature: Discard your hand, then draw four cards. This ability costs {1} less to activate for each oil counter on this creature.

Her faith burns hot enough to sear away the flesh of the heretic.

Nethergoyf (Modern Horizons 3)
Xavier Ribeiro

Nethergoyf's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1. Escape—{2}{B}, Exile any number of other cards from your graveyard with four or more card types among them. (You may cast this card from your graveyard for its escape cost.)

Ragefire Hellkite (Dominaria United)
Xavier Ribeiro

Flying Whenever this creature attacks, you may sacrifice another creature. If you do, this creature gains double strike until end of turn.

Tato Farmer (Fallout)
Xavier Ribeiro

Landfall — Whenever a land you control enters, you may get two rad counters. {T}: Put target land card in a graveyard that was milled this turn onto the battlefield under your control tapped.

"Try one! They're disgusting!"

Spinner of Souls (Foundations)
Xavier Ribeiro

Reach Whenever another nontoken creature you control dies, you may reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

Fireball (Commander Legends: Battle for Baldur's Gate)
Xavier Ribeiro

This spell costs {1} more to cast for each target beyond the first. Fireball deals X damage divided evenly, rounded down, among any number of targets.

The orchard soon reeked of sulfur, smoke, and scorched bugbear, with just a hint of peach.

Acquired Mutation (Fallout)
Xavier Ribeiro

Enchant creature Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, defending player gets two rad counters.

The radiation of the wasteland has changed you!

Thundering Raiju (Kamigawa: Neon Dynasty)
Xavier Ribeiro

Haste Whenever this creature attacks, put a +1/+1 counter on target creature you control. Then this creature deals X damage to each opponent, where X is the number of modified creatures you control other than this creature. (Equipment, Auras you control, and counters are modifications.)

Fireshrieker (Fallout)
Xavier Ribeiro

Equipped creature has double strike. (It deals both first-strike and regular combat damage.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

The flamer is a specially engineered flamethrower suited for extended combat engagements. It delivers sustained energy damage and can completely immolate a target.

Threefold Thunderhulk (The Lost Caverns of Ixalan)
Xavier Ribeiro

This creature enters with three +1/+1 counters on it. Whenever this creature enters or attacks, create a number of 1/1 colorless Gnome artifact creature tokens equal to its power. {2}, Sacrifice another artifact: Put a +1/+1 counter on this creature.

Thundering Raiju (Kamigawa: Neon Dynasty Promos)
Xavier Ribeiro

Haste Whenever this creature attacks, put a +1/+1 counter on target creature you control. Then this creature deals X damage to each opponent, where X is the number of modified creatures you control other than this creature. (Equipment, Auras you control, and counters are modifications.)

Transforming Flourish (Tarkir: Dragonstorm Commander)
Xavier Ribeiro

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.) Destroy target artifact or creature you don't control. If that permanent is destroyed this way, its controller exiles cards from the top of their library until they exile a nonland card, then they may cast that card without paying its mana cost.

Flameskull (Adventures in the Forgotten Realms)
Xavier Ribeiro

Flying This creature can't block. Rejuvenation — When this creature dies, exile it. If you do, exile the top card of your library. Until the end of your next turn, you may play one of those cards. (If you cast Flameskull this way, you can't play the other card, and vice versa.)

Threefold Thunderhulk (The Lost Caverns of Ixalan Promos)
Xavier Ribeiro

This creature enters with three +1/+1 counters on it. Whenever this creature enters or attacks, create a number of 1/1 colorless Gnome artifact creature tokens equal to its power. {2}, Sacrifice another artifact: Put a +1/+1 counter on this creature.

Wurmquake (Phyrexia: All Will Be One Commander)
Xavier Ribeiro

Corrupted — Create an X/X green Phyrexian Wurm creature token with trample and toxic 1, where X is the amount of mana spent to cast this spell. Then for each opponent with three or more poison counters, you create another one of those tokens. Flashback {8}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Orthodoxy Enforcer (Phyrexia: All Will Be One)
Xavier Ribeiro

Vigilance This creature gets +2/+0 as long as you control two or more artifacts.

The mites sniff out any potential interlopers. He handles the rest.

Volatile Stormdrake (Modern Horizons 3)
Xavier Ribeiro

Flying, hexproof from activated and triggered abilities When this creature enters, exchange control of this creature and target creature an opponent controls. If you do, you get {E}{E}{E}{E}, then sacrifice that creature unless you pay an amount of {E} equal to its mana value.