Is Kess, Dissident Mage legal in Standard, Modern, and Commander?

Kess, Dissident Mage is legal in: Modern, Legacy, Vintage, Commander.

Kess, Dissident Mage

Q: What type of card is Kess, Dissident Mage?

Kess, Dissident Mage is a Legendary Creature — Human Wizard. Its oracle text reads: "Flying Once during each of your turns, you may cast an instant or sorcery spell from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead."

Legendary Creature — Human Wizard

Flying

Once during each of your turns, you may cast an instant or sorcery spell from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead.

Set New Capenna Commander

Rarity Mythic Rare

Mana Value 4

Artist Izzy

Collector # 344

Scryfall Gatherer