Queen Marchesa is a rare Legendary Creature — Human Assassin card from Outlaws of Thunder Junction Commander (OTC), collector number 239. Current market price: $2.02, TCGplayer market prices via Scryfall.
Deathtouch, haste When Queen Marchesa enters, you become the monarch. At the beginning of your upkeep, if an opponent is the monarch, create a 1/1 black Assassin creature token with deathtouch and haste.