Archfiend of the Dross is a rare Creature — Phyrexian Demon card from Phyrexia: All Will Be One Promos (PONE), collector number 82s. Current market price: — (foil $1.41), TCGplayer market prices via Scryfall.
Flying This creature enters with four oil counters on it. At the beginning of your upkeep, remove an oil counter from this creature. Then if it has no oil counters on it, you lose the game. Whenever a creature an opponent controls dies, its controller loses 2 life.