Oros, the Avenger is a rare Legendary Creature — Dragon card from Planar Chaos Promos (PPLC), collector number 161★. Current market price: — (foil $2.16), TCGplayer market prices via Scryfall.
Flying Whenever Oros deals combat damage to a player, you may pay {2}{W}. If you do, Oros deals 3 damage to each nonwhite creature.