Is Thousand-Year Storm legal in Standard, Modern, and Commander?

Thousand-Year Storm is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Thousand-Year Storm

Q: What type of card is Thousand-Year Storm?

Thousand-Year Storm is an Enchantment. Its oracle text reads: "Whenever you cast an instant or sorcery spell, copy it for each other instant and sorcery spell you've cast before it this turn. You may choose new targets for the copies."

Enchantment

Whenever you cast an instant or sorcery spell, copy it for each other instant and sorcery spell you've cast before it this turn. You may choose new targets for the copies.

Set Foundations

Rarity Rare

Mana Value 6

Artist Dimitar Marinski

Collector # 248

Scryfall Gatherer