Silumgar Butcher 
Creature — Zombie Djinn
Exploit (When this creature enters, you may sacrifice a creature.) When this creature exploits a creature, target creature gets -3/-3 until end of turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL