The Prydwen, Steel Flagship is a rare Legendary Artifact — Vehicle card from Fallout (PIP), collector number 550. Current market price: — (foil $6.48), TCGplayer market prices via Scryfall.
Flying Whenever another nontoken artifact you control enters, create a 2/2 white Human Knight creature token with "This token gets +2/+2 as long as an artifact entered the battlefield under your control this turn." Crew 2