Ulamog, the Ceaseless Hunger [Commander Masters] Homelands it and other creatures you

it and other creatures you control that share a creature type with it each get +2/+0 and gain undying until end of turn

Set: Innistrad: Midnight Hunt Art Series Type: Card // Card Rarity: Common

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} Creatures with power greater than the number of cards in your hand can't attack

then draw a card for each knowledge counter on The Magic Mirror

Ulamog, the Ceaseless Hunger [Commander Masters] Homelands it and other creatures youSet: Commander Masters Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {10} A force as voracious as time itself. When you cast this spell, exile two target permanents. Indestructible Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.