Puca's Eye is a uncommon Artifact card from Lorwyn Eclipsed (ECL), collector number 259. Current market price: $0.14 (foil $0.21), TCGplayer market prices via Scryfall.
When this artifact enters, draw a card, then choose a color. This artifact becomes the chosen color. {3}, {T}: Draw a card. Activate only if there are five colors among permanents you control.