Is Octopus Form legal in Standard, Modern, and Commander?

Octopus Form is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Octopus Form

Q: What type of card is Octopus Form?

Octopus Form is an Instant — Lesson. Its oracle text reads: "Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)"

Instant — Lesson

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)

Set Avatar: The Last Airbender

Rarity Common

Mana Value 1

Artist Norikatsu Miyoshi

Collector # 66

Scryfall