Guiltfeeder is a rare Creature — Horror card from Judgment (JUD), collector number 68. Current market price: $2.26 (foil $19.57), TCGplayer market prices via Scryfall.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever this creature attacks and isn't blocked, defending player loses 1 life for each card in their graveyard.