Diver Skaab 
Creature — Zombie
Exploit (When this creature enters, you may sacrifice a creature.) When this creature exploits a creature, target creature's owner puts it on their choice of the top or bottom of their library.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL