Is Kolaghan Stormsinger legal in Standard, Modern, and Commander?

Kolaghan Stormsinger is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper.

What type of card is Kolaghan Stormsinger?

Kolaghan Stormsinger is a Creature — Human Shaman. Its oracle text reads: "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. Power/Toughness: 1/1"