Is Let the Galaxy Burn legal in Standard, Modern, and Commander?

Let the Galaxy Burn is legal in: Legacy, Vintage, Commander.

Let the Galaxy Burn

Q: What type of card is Let the Galaxy Burn?

Let the Galaxy Burn 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.) Let the Galaxy Burn deals X plus 2 damage to each creature that didn't enter 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.)

Let the Galaxy Burn deals X plus 2 damage to each creature that didn't enter this turn.

Set Warhammer 40,000 Commander

Rarity Rare

Mana Value 6

Artist Evan Shipard

Collector # 81

Scryfall Gatherer