Is Fathom Seer legal in Standard, Modern, and Commander?

Fathom Seer is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Fathom Seer

Q: What type of card is Fathom Seer?

Fathom Seer is a Creature — Illusion. Its oracle text reads: "Morph—Return two Islands you control to their owner's hand. (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, draw two cards."

Creature — Illusion

Morph—Return two Islands you control to their owner's hand. (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)