Is Combustion Technique legal in Standard, Modern, and Commander?

Combustion Technique is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Combustion Technique

Q: What type of card is Combustion Technique?

Combustion Technique is an Instant — Lesson. Its oracle text reads: "Combustion Technique deals damage equal to 2 plus the number of Lesson cards in your graveyard to target creature. If that creature would die this turn, exile it instead."

Instant — Lesson

Combustion Technique deals damage equal to 2 plus the number of Lesson cards in your graveyard to target creature. If that creature would die this turn, exile it instead.

Set Avatar: The Last Airbender

Rarity Uncommon

Mana Value 2

Artist Devin Elle Kurtz

Collector # 128

Scryfall