Is Celestial Dawn legal in Standard, Modern, and Commander?

Celestial Dawn is legal in: Modern, Legacy, Vintage, Commander.

Celestial Dawn

Q: What type of card is Celestial Dawn?

Celestial Dawn is an Enchantment. Its oracle text reads: "Lands you control are Plains.Nonland permanents you control are white. The same is true for spells you control and nonland cards you own that aren't on the battlefield.You may spend white mana as though it were mana of any color. You may spend other mana only as though it were colorless mana."

Enchantment

Lands you control are Plains.<br>Nonland permanents you control are white. The same is true for spells you control and nonland cards you own that aren't on the battlefield.<br>You may spend white mana as though it were mana of any color. You may spend other mana only as though it were colorless mana.

Set Mirage

Rarity Rare

Artist Liz Danforth