Is Polymorph legal in Standard, Modern, and Commander?

Polymorph is legal in: Modern, Legacy, Vintage, Commander.

Polymorph

Q: What type of card is Polymorph?

Polymorph is a Sorcery. Its oracle text reads: "Destroy target creature. It can't be regenerated. Its controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield, then shuffles all other cards revealed this way into their library."

Sorcery

Destroy target creature. It can't be regenerated. Its controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield, then shuffles all other cards revealed this way into their library.

Set Mirage

Rarity Rare

Artist Robert Bliss