Is Thousand Winds legal in Standard, Modern, and Commander?

Thousand Winds is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

What type of card is Thousand Winds?

Thousand Winds is a Creature — Elemental. Its oracle text reads: "Flying Morph {5}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, return all other tapped creatures to their owners' hands."