Tinker's Tote is a common Artifact card from The Lost Caverns of Ixalan (LCI), collector number 40. Current market price: $0.22 (foil $0.22), TCGplayer market prices via Scryfall.
When this artifact enters, create two 1/1 colorless Gnome artifact creature tokens. {W}, Sacrifice this artifact: You gain 3 life.