Archfiend of the Dross (Phyrexia: All Will Be One)

Creature Ñ Phyrexian Demon - 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.