Mazrim, Minion Master

+1: Remove a +1/+1 counter from a creature you control. Each opponent may draw a card, if they do, create a 2/2 black zombie creature token.
-1: Sacrifice up to two creatures, you gain mana equal to their combined mana cost. Use this mana only to cast creature spells.
-6: You get an emblem with "Creatures you control have undying and tokens you control have +1/+1"