Junk Jet is a rare Artifact — Equipment card from Fallout (PIP), collector number 60. Current market price: $0.34 (foil $0.65), TCGplayer market prices via Scryfall.
When this Equipment enters, create a Junk token. (It's an artifact with "{T}, Sacrifice this token: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.") {3}, Sacrifice another artifact: Double equipped creature's power until end of turn. Equip {1}