Is Exalted Angel legal in Standard, Modern, and Commander?

Exalted Angel is legal in: Legacy, Vintage, Commander.

What type of card is Exalted Angel?

Exalted Angel is a Creature — Angel. Its oracle text reads: "Flying Whenever this creature deals damage, you gain that much life. Morph {2}{W}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Power/Toughness: 4/5"