Aerie Bowmasters is a common Creature — Dog Archer card from Dragons of Tarkir (DTK), collector number 170. Current market price: $0.05 (foil $0.30), TCGplayer market prices via Scryfall.
Reach (This creature can block creatures with flying.) Megamorph {5}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)