Is Echo Tracer legal in Standard, Modern, and Commander?

Echo Tracer is legal in: Legacy, Vintage, Commander, Pauper.

What type of card is Echo Tracer?

Echo Tracer is a Creature — Human Wizard. Its oracle text reads: "Morph {2}{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 target creature to its owner's hand. Power/Toughness: 2/2"