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

Mistform Wakecaster is legal in: Legacy, Vintage, Commander.

Mistform Wakecaster

Q: What type of card is Mistform Wakecaster?

Mistform Wakecaster is a Creature — Illusion. Its oracle text reads: "Flying {1}: This creature becomes the creature type of your choice until end of turn. {2}{U}{U}, {T}: Choose a creature type. Each creature you control becomes that type until end of turn."