Gruul Charm is a uncommon Instant card from Gatecrash (GTC), collector number 169. Current market price: $0.23 (foil $1.46), TCGplayer market prices via Scryfall.
Choose one — • Creatures without flying can't block this turn. • Gain control of all permanents you own. • Gruul Charm deals 3 damage to each creature with flying.