Is Patron of the Kitsune legal in Standard, Modern, and Commander?

Patron of the Kitsune is legal in: Modern, Legacy, Vintage, Commander.

Patron of the Kitsune

Q: What type of card is Patron of the Kitsune?

Patron of the Kitsune is a Legendary Creature — Spirit. Its oracle text reads: "Fox offering (You may cast this spell any time you could cast an instant by sacrificing a Fox and paying the difference in mana costs between this and the sacrificed Fox. Mana cost includes color.) Whenever a creature attacks, you may gain 1 life."

Legendary Creature — Spirit

Fox offering (You may cast this spell any time you could cast an instant by sacrificing a Fox and paying the difference in mana costs between this and the sacrificed Fox. Mana cost includes color.)

Whenever a creature attacks, you may gain 1 life.

Set Betrayers of Kamigawa

Rarity Rare

Mana Value 6

Artist Ben Thompson

Collector # 19

Scryfall Gatherer