Is Vat of Rebirth legal in Standard, Modern, and Commander?

Vat of Rebirth is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

What type of card is Vat of Rebirth?

Vat of Rebirth is an Artifact. Its oracle text reads: "Whenever another artifact or creature you control is put into a graveyard from the battlefield, put an oil counter on this artifact. {2}{B}, {T}, Remove four oil counters from this artifact: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery."