Is Backdraft legal in Standard, Modern, and Commander?

Backdraft is legal in: Legacy, Vintage, Commander.

Backdraft

Q: What type of card is Backdraft?

Backdraft is an Instant. Its oracle text reads: "Choose a player who cast one or more sorcery spells this turn. Backdraft deals damage to that player equal to half the damage dealt by one of those sorcery spells this turn, rounded down."

Instant

Choose a player who cast one or more sorcery spells this turn. Backdraft deals damage to that player equal to half the damage dealt by one of those sorcery spells this turn, rounded down.

Set Legends

Rarity Uncommon

Artist Brian Snõddy