Is Howl of the Horde legal in Standard, Modern, and Commander?

Howl of the Horde is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Howl of the Horde

Q: What type of card is Howl of the Horde?

Howl of the Horde is a Sorcery. Its oracle text reads: "When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. Raid — If you attacked this turn, when you next cast an instant or sorcery spell this turn, copy that spell an additional time. You may choose new targets for the copy."

Sorcery

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Raid — If you attacked this turn, when you next cast an instant or sorcery spell this turn, copy that spell an additional time. You may choose new targets for the copy.

Set Khans of Tarkir

Rarity Rare

Mana Value 3

Artist Slawomir Maniak

Collector # 112

Scryfall Gatherer