Is Maskwood Nexus legal in Standard, Modern, and Commander?

Maskwood Nexus is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Maskwood Nexus

Q: What type of card is Maskwood Nexus?

Maskwood Nexus is an Artifact. Its oracle text reads: "Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. {3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)"

Artifact

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

, : Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)