Oil-Gorger Troll is a common Creature — Phyrexian Troll Warrior card from Phyrexia: All Will Be One (ONE), collector number 177. Current market price: $0.08 (foil $0.10), TCGplayer market prices via Scryfall.
When this creature enters, you gain 3 life. Then if you control a permanent with an oil counter on it, draw a card.