Is Sorcerous Squall legal in Standard, Modern, and Commander?

Sorcerous Squall is legal in: Legacy, Vintage, Commander.

Sorcerous Squall

Q: What type of card is Sorcerous Squall?

Sorcerous Squall is a Sorcery. Its oracle text reads: "Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Target opponent mills nine cards, then you may cast an instant or sorcery spell from that player's graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead."

Sorcery

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Target opponent mills nine cards, then you may cast an instant or sorcery spell from that player's graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead.

Set Tales of Middle-earth Commander

Rarity Rare

Mana Value 9

Artist Matt Stewart

Collector # 504

Scryfall Gatherer