Orcus, Lord of Undeath

Flying, Deathtouch
Whenever a player sacrifices a non-token creature, create a 3/2 black Demon Zombie token.
At the beginning of your upkeep, as long as a graveyard has 5 or more creatures in it, you may put a +1/+1 counter on each zombie you control, if you don't, target player sacrifices a creature.