Skinthinner is a common Creature — Zombie card from Commander 2019 (C19), collector number 129. Current market price: $0.26, TCGplayer market prices via Scryfall.
Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, destroy target nonblack creature. It can't be regenerated.