Is Spitting Gourna legal in Standard, Modern, and Commander?

Spitting Gourna is legal in: Legacy, Vintage, Commander, Pauper.

What type of card is Spitting Gourna?

Spitting Gourna is a Creature — Beast. Its oracle text reads: "Reach (This creature can block creatures with flying.) Morph {4}{G} (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: 3/4"