Cemetery Desecrator is a mythic Creature — Zombie card from Magic Online Promos (PRM), collector number 95357.
Menace When this creature enters or dies, exile another card from a graveyard. When you do, choose one — • Remove X counters from target permanent, where X is the mana value of the exiled card. • Target creature an opponent controls gets -X/-X until end of turn, where X is the mana value of the exiled card.