Is Garth One-Eye legal in Standard, Modern, and Commander?

Garth One-Eye is legal in: Modern, Legacy, Vintage, Commander.

Garth One-Eye

Q: What type of card is Garth One-Eye?

Garth One-Eye is a Legendary Creature — Human Wizard. Its oracle text reads: "{T}: Choose a card name that hasn't been chosen from among Disenchant, Braingeyser, Terror, Shivan Dragon, Regrowth, and Black Lotus. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs.)"

Legendary Creature — Human Wizard

: Choose a card name that hasn't been chosen from among Disenchant, Braingeyser, Terror, Shivan Dragon, Regrowth, and Black Lotus. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs.)