Is Mechtitan Core legal in Standard, Modern, and Commander?

Mechtitan Core is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Mechtitan Core

Q: What type of card is Mechtitan Core?

Mechtitan Core is an Artifact — Vehicle. Its oracle text reads: "{5}, Exile this Vehicle and four other artifact creatures and/or Vehicles you control: Create Mechtitan, a legendary 10/10 Construct artifact creature token with flying, vigilance, trample, lifelink, and haste that's all colors. When that token leaves the battlefield, return all cards exiled with this Vehicle except this card to the battlefield tapped under their owners' control. Crew 2"

Artifact — Vehicle

, Exile this Vehicle and four other artifact creatures and/or Vehicles you control: Create Mechtitan, a legendary 10/10 Construct artifact creature token with flying, vigilance, trample, lifelink, and haste that's all colors. When that token leaves the battlefield, return all cards exiled with this Vehicle except this card to the battlefield tapped under their owners' control.