Ghost Ark is a rare Artifact — Vehicle card from Warhammer 40,000 Commander (40K), collector number 156. Current market price: $0.39, TCGplayer market prices via Scryfall.
Flying Repair Barge — Whenever this Vehicle becomes crewed, each artifact creature card in your graveyard gains unearth {3} until end of turn. Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)