Paladin Danse, Steel Maverick is a uncommon Legendary Artifact Creature — Synth Knight card from Fallout (PIP), collector number 548. Current market price: — (foil $14.22), TCGplayer market prices via Scryfall.
Vigilance, lifelink Exile Paladin Danse: Each creature you control that's an artifact or Human gains indestructible until end of turn.