Lord Mar, The Dread King

+1: Either add a a +1/+1 Counter to target Black creature, or create a 1/1 Black Zombie token creature with Haste.
-2: Target creature gains Undying, and becomes a Black Zombie in addition to it's other types.
-10: You gain an Emblem with "All creatures in every graveyard come onto the battlefield under your control during your upkeep as Black Zombies."