Tidehollow Sculler is a special Artifact Creature — Zombie card from Time Spiral Remastered (TSR), collector number 388. Current market price: $0.36 (foil $6.07), TCGplayer market prices via Scryfall.
When this creature enters, target opponent reveals their hand and you choose a nonland card from it. Exile that card. When this creature leaves the battlefield, return the exiled card to its owner's hand.