Is Brittle Blast legal in Standard, Modern, and Commander?

Brittle Blast is legal in: Historic.

Brittle Blast

Q: What type of card is Brittle Blast?

Brittle Blast is an Instant. Its oracle text reads: "Creatures and planeswalkers your opponents control perpetually gain "If this permanent would die, exile it instead." Brittle Blast deals 5 damage to target creature or planeswalker."

Instant

Creatures and planeswalkers your opponents control perpetually gain "If this permanent would die, exile it instead." Brittle Blast deals 5 damage to target creature or planeswalker.

Set Alchemy: Innistrad

Rarity Uncommon

Mana Value 3

Artist John Stanko

Collector # 37

Scryfall