Desdemona, Freedom's Edge is a rare Legendary Creature — Human Rogue card from Fallout (PIP), collector number 101. Current market price: $0.28 (foil $0.28), TCGplayer market prices via Scryfall.
Vigilance Whenever Desdemona attacks, target creature card in your graveyard that's an artifact or that has mana value 3 or less gains escape until end of turn. The escape cost is equal to its mana cost plus exile two other cards from your graveyard. (You may cast it from your graveyard for its escape cost this turn.)