Inspired Tinkering is a uncommon Sorcery card from The List (PLST), collector number CLB-183. Current market price: $1.24, TCGplayer market prices via Scryfall.
Exile the top three cards of your library. Until the end of your next turn, you may play those cards. Create three Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")