Is Phantom Monster legal in Standard, Modern, and Commander?

Phantom Monster is legal in: Legacy, Vintage, Commander, Pauper.

What type of card is Phantom Monster?

Phantom Monster is a Creature — Illusion. Its oracle text reads: "Flying"

Creature — Illusion

Flying

Set Limited Edition Alpha

Rarity Uncommon

Artist Jesper Myrfors

Creature Flying Commander Pauper Legacy