Zhar Narr, Necromancer

+2: Exile target card from a graveyard. If it was a creature, put a 2/2 Black zombie creature token onto the battlefield. Otherwise, draw a card.
0: Destroy target creature.If it was white, draw a card.
-12: Put all permanents from all graveyards onto the battlefield under your control. Put 17 2/2 black Zombie creature tokens onto the battlefield.