Liliana of the Hord

: Whenever a creature you control dies, you gain one life and each opponent loses 1 life.
+1: You may sacrifice a creature you control. If you do then each opponent may sacrifice a creature. If they don't they lose 2 life.
-2: Create a 1/1 black Zombie creature token with, "Whenever this creature dies, create a treasure token or give target creature -1/-1."