Is Mistform Wall legal in Standard, Modern, and Commander?

Mistform Wall is legal in: Legacy, Vintage, Commander, Pauper.

Mistform Wall

Q: What type of card is Mistform Wall?

Mistform Wall is a Creature — Illusion Wall. Its oracle text reads: "This creature has defender as long as it's a Wall. {1}: This creature becomes the creature type of your choice until end of turn. *Fellowship, the fourth myth of reality: As the tides of war shift, so do loyalties.* Power/Toughness: 1/4"