Thenos Vouthum

0: Sacrifice a creature, then put loyalty counters on Thenos Vouthum equal to the number of creatures in your graveyard.
-3: Target creature gets -5/-5 until end of turn. If that creature dies this turn, create a 2/2 black zombie creature token.
-10: Return up to five cards from your graveyard to your hand and/or to the battlefield.