Olivia, Opulent Outlaw is a mythic Legendary Creature — Vampire Assassin card from Outlaws of Thunder Junction Commander (OTC), collector number 2. Current market price: $6.17 (foil $6.63), TCGplayer market prices via Scryfall.
Flying, lifelink Whenever one or more outlaws you control deal combat damage to a player, create a Treasure token. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.) {3}, Sacrifice two Treasures: Put two +1/+1 counters on each creature you control. Activate only as a sorcery.