Is Smogbelcher Chariot legal in Standard, Modern, and Commander?

Smogbelcher Chariot is legal in: Historic.

Smogbelcher Chariot

Q: What type of card is Smogbelcher Chariot?

Smogbelcher Chariot is an Artifact — Vehicle. Its oracle text reads: "Menace, deathtouch, lifelink Whenever Smogbelcher Chariot attacks, target creature that crewed it this turn perpetually gains your choice of menace, deathtouch, or lifelink. Crew 3 Power/Toughness: 3/3"