Abomination of Gudul is a common Creature — Horror card from Khans of Tarkir (KTK), collector number 159. Current market price: $0.06 (foil $0.35), TCGplayer market prices via Scryfall.
Flying Whenever this creature deals combat damage to a player, you may draw a card. If you do, discard a card. Morph {2}{B}{G}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)