Is Evil Twin legal in Standard, Modern, and Commander?

Evil Twin is legal in: Modern, Legacy, Vintage, Commander.

Evil Twin

Q: What type of card is Evil Twin?

Evil Twin is a Creature — Shapeshifter. Its oracle text reads: "You may have this creature enter as a copy of any creature on the battlefield, except it has "{U}{B}, {T}: Destroy target creature with the same name as this creature.""

Creature — Shapeshifter

You may have this creature enter as a copy of any creature on the battlefield, except it has ", : Destroy target creature with the same name as this creature."