Soul Foundry is a rare Artifact card from Mirrodin (MRD), collector number 246. Current market price: $0.65 (foil $7.07), TCGplayer market prices via Scryfall.
Imprint — When this artifact enters, you may exile a creature card from your hand. {X}, {T}: Create a token that's a copy of the exiled card. X is the mana value of that card.