Tam, Mindful First-Year is a rare Legendary Creature — Gorgon Wizard card from Lorwyn Eclipsed (ECL), collector number 245. Current market price: $0.34 (foil $0.52), TCGplayer market prices via Scryfall.
Each other creature you control has hexproof from each of its colors. {T}: Target creature you control becomes all colors until end of turn.