Kolaghan Stormsinger is a common Creature — Human Shaman card from Dragons of Tarkir (DTK), collector number 145. Current market price: $0.02 (foil $0.15), TCGplayer market prices via Scryfall.
Haste Megamorph {R} (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.) When this creature is turned face up, target creature gains haste until end of turn.