Gwaihir, Greatest of the Eagles is a rare Legendary Creature — Bird Noble card from Tales of Middle-earth Commander (LTC), collector number 15. Current market price: $0.43, TCGplayer market prices via Scryfall.
Flying Whenever Gwaihir attacks, target attacking creature gains flying until end of turn. At the beginning of each end step, if you gained 3 or more life this turn, create a 3/3 white Bird creature token with flying and "Whenever this token attacks, target attacking creature gains flying until end of turn."