Simic Charm is a uncommon Instant card from Gatecrash (GTC), collector number 195. Current market price: $0.85 (foil $5.07), TCGplayer market prices via Scryfall.
Choose one — • Target creature gets +3/+3 until end of turn. • Permanents you control gain hexproof until end of turn. • Return target creature to its owner's hand.