Is Volcanic Torrent legal in Standard, Modern, and Commander?

Volcanic Torrent is legal in: Legacy, Vintage, Commander, Historic.

Volcanic Torrent

Q: What type of card is Volcanic Torrent?

Volcanic Torrent is a Sorcery. Its oracle text reads: "Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) Volcanic Torrent deals X damage to each creature and planeswalker your opponents control, where X is the number of spells you've cast this turn."

Sorcery

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Volcanic Torrent deals X damage to each creature and planeswalker your opponents control, where X is the number of spells you've cast this turn.

Set Outlaws of Thunder Junction Commander

Rarity Uncommon

Mana Value 5

Artist Grzegorz Rutkowski

Collector # 184

Scryfall Gatherer