Gwaihir, Greatest of the Eagles (Tales of Middle-earth Commander #417)

Legendary Creature — Bird Noble - {4}{W}
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."
5/5