Repository Skaab 
Creature — Zombie
Exploit (When this creature enters, you may sacrifice a creature.) When this creature exploits a creature, return target instant or sorcery card from your graveyard to your hand.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL