Teferi, Mage of Zhalfir [From the Vault: Legends] Giant Warrior that creature's controller may have

that creature's controller may have it deal damage equal to its power to any target of their choice

Activate only as an instant

Set: Tempest Type: Instant Rarity: Rare Cost: {2}{U} Draw four cards

that player sacrifices a creature or planeswalker

Sacrifice Mirror Universe: Exchange life totals with target opponent

Teferi, Mage of Zhalfir [From the Vault: Legends] Giant Warrior that creature's controller may haveSet: From the Vault: Legends Type: Legendary Creature Human Wizard Rarity: Mythic Cost: {2}{U}{U}{U} Flash Creature cards you own that aren't on the battlefield have flash. Each opponent can cast spells only any time they could cast a sorcery. To save this plane, he must forsake all others.