Demonic Junker is a rare Artifact — Vehicle card from Aetherdrift (DFT), collector number 307. Current market price: $0.33 (foil $0.54), TCGplayer market prices via Scryfall.
Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When this Vehicle enters, for each player, destroy up to one target creature that player controls. If a creature you controlled was destroyed this way, put two +1/+1 counters on this Vehicle. Crew 2