Omniscience

Omniscience (Core Set 2019 Promos)
Jason Chan

You may cast spells from your hand without paying their mana costs.

"The things I once imagined would be my greatest achievements were only the first steps toward a future I can only begin to fathom." —Jace Beleren

Omniscience (Wilds of Eldraine: Enchanting Tales)
Yakotakos

You may cast spells from your hand without paying their mana costs.

Omniscience (Foundations)
Dominik Mayer

You may cast spells from your hand without paying their mana costs.

"Knowing everything reveals not answers, but in fact their profound absence." —Gadwick, the Wizened

Omniscience (Foundations)
Dominik Mayer

You may cast spells from your hand without paying their mana costs.

"Knowing everything reveals not answers, but in fact their profound absence." —Gadwick, the Wizened

Omniscience (Foundations Promos)
Jason Chan

You may cast spells from your hand without paying their mana costs.

"The things I once imagined would be my greatest achievements were only the first steps toward a future I can only begin to fathom." —Jace Beleren

Omniscience (Judge Gift Cards 2022)
Alayna Danner

You may cast spells from your hand without paying their mana costs.

"In the arrogance of my youth, I believed I knew all there was to know. Now, my greatest wisdom is a humble awareness of all I have yet to learn." —Teferi

Omniscience (Foundations)
Jason Chan

You may cast spells from your hand without paying their mana costs.

"The things I once imagined would be my greatest achievements were only the first steps toward a future I can only begin to fathom." —Jace Beleren

Omniscience (Core Set 2019)
Jason Chan

You may cast spells from your hand without paying their mana costs.

"The things I once imagined would be my greatest achievements were only the first steps toward a future I can only begin to fathom." —Jace Beleren

Omniscience (Amonkhet Invocations)
Josh Hass

You may cast spells from your hand without paying their mana costs.

Omniscience (Wilds of Eldraine: Enchanting Tales)
Justin Hernandez & Alexis Hernandez

You may cast spells from your hand without paying their mana costs.

"They are led by Talion, the Kindly Lord, First and Greatest of the High Fae, Sovereign of the Court, the Liege of Laughter, Finder of the First Yew, and the One True Lord of Eldraine." —*On the High Fae*

Omniscience (Magic 2013)
Jason Chan

You may cast spells from your hand without paying their mana costs.

"The things I once imagined would be my greatest achievements were only the first steps toward a future I can only begin to fathom." —Jace Beleren

Omniscience (Wilds of Eldraine: Enchanting Tales)
Yakotakos

You may cast spells from your hand without paying their mana costs.

Eidolon of Rhetoric (Jumpstart 2022)
Yakotakos

Each player can't cast more than one spell each turn.

Theros's human philosophers were at a marked disadvantage due to their need to pause for things like food or sleep.

Karmic Justice (Wilds of Eldraine: Enchanting Tales)
Yakotakos

Whenever a spell or ability an opponent controls destroys a noncreature permanent you control, you may destroy target permanent that opponent controls.

Urdnan, Dromoka Warrior (Foundations Jumpstart)
Yakotakos

When Urdnan enters, put a +1/+1 counter on target creature. Whenever you attack, target attacking creature with a +1/+1 counter on it gains first strike until end of turn. If that creature has two or more +1/+1 counters on it, it gains double strike until end of turn instead.

Karmic Justice (Wilds of Eldraine: Enchanting Tales)
Yakotakos

Whenever a spell or ability an opponent controls destroys a noncreature permanent you control, you may destroy target permanent that opponent controls.

Tomik, Distinguished Advokist (Ravnica Remastered)
Yakotakos

Flying Lands on the battlefield and land cards in graveyards can't be the targets of spells or abilities your opponents control. Your opponents can't play land cards from graveyards.