Jewel Thief is a common Creature — Cat Rogue card from Streets of New Capenna (SNC), collector number 151. Current market price: $0.26 (foil $0.37), TCGplayer market prices via Scryfall.
Vigilance, trample When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")