Diver Skaab is a uncommon Creature — Zombie card from Innistrad: Crimson Vow (VOW), collector number 56. Current market price: $0.19 (foil $0.13), TCGplayer market prices via Scryfall.
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.