Junktown is a rare Land card from Fallout (PIP), collector number 970. Current market price: — (foil $1.55), TCGplayer market prices via Scryfall.
{T}: Add {C}. {4}{R}, {T}, Sacrifice this land: Create three Junk tokens. (They're artifacts with "{T}, Sacrifice this token: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")