Liliana of the Seru

+2: Create 2 2/3 black Zombie Warrior creature tokens with menace and "This creature enters the battlefield tapped"
-4: Search your library for up to two zombie creatures then put one in your hand and the other on the battlefield. Shuffle your library
-12: You get an emblem with "Zombies you control get +1/+1 and are unblockable"