Is Peacewalker Colossus legal in Standard, Modern, and Commander?

Peacewalker Colossus is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Peacewalker Colossus

Q: What type of card is Peacewalker Colossus?

Peacewalker Colossus is an Artifact — Vehicle. Its oracle text reads: "{1}{W}: Another target Vehicle you control becomes an artifact creature until end of turn. Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.)"