Tam, Mindful First-Year is a rare Legendary Creature — Gorgon Wizard card from Lorwyn Eclipsed Promos (PECL), collector number 245p. Current market price: $0.90 (foil $1.03), 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.