Is Hikari, Twilight Guardian legal in Standard, Modern, and Commander?

Hikari, Twilight Guardian is legal in: Modern, Legacy, Vintage, Commander.

Hikari, Twilight Guardian

Q: What type of card is Hikari, Twilight Guardian?

Hikari, Twilight Guardian is a Legendary Creature — Spirit. Its oracle text reads: "Flying Whenever you cast a Spirit or Arcane spell, you may exile Hikari. If you do, return it to the battlefield under its owner's control at the beginning of the next end step."

Legendary Creature — Spirit

Flying

Whenever you cast a Spirit or Arcane spell, you may exile Hikari. If you do, return it to the battlefield under its owner's control at the beginning of the next end step.

Set Modern Masters 2015

Rarity Uncommon

Mana Value 5

Artist Glen Angus

Collector # 18

Scryfall Gatherer