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

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

Patron of the Moon

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

Patron of the Moon is a Legendary Creature — Spirit. Its oracle text reads: "Moonfolk offering (You may cast this spell any time you could cast an instant by sacrificing a Moonfolk and paying the difference in mana costs between this and the sacrificed Moonfolk. Mana cost includes color.) Flying {1}: Put up to two land cards from your hand onto the battlefield tapped."

Legendary Creature — Spirit

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

Flying

: Put up to two land cards from your hand onto the battlefield tapped.