Sauron, the Lidless Eye is a mythic Legendary Creature — Avatar Horror card from The Hobbit Commander (HOC), collector number 37. Current market price: $5.47 (foil $6.84), TCGplayer market prices via Scryfall.
When Sauron enters, gain control of target creature an opponent controls until end of turn. Untap it. It gains haste until end of turn. {1}{B}{R}: Creatures you control get +2/+0 until end of turn. Each opponent loses 2 life.