Is Once and Future legal in Standard, Modern, and Commander?

Once and Future is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Once and Future

Q: What type of card is Once and Future?

Once and Future is an Instant. Its oracle text reads: "Return target card from your graveyard to your hand. Put up to one other target card from your graveyard on top of your library. Exile Once and Future. Adamant — If at least three green mana was spent to cast this spell, instead return those cards to your hand and exile Once and Future."

Instant

Return target card from your graveyard to your hand. Put up to one other target card from your graveyard on top of your library. Exile Once and Future.

Adamant — If at least three green mana was spent to cast this spell, instead return those cards to your hand and exile Once and Future.

Set Throne of Eldraine

Rarity Uncommon

Mana Value 4

Artist Nils Hamm

Collector # 168

Scryfall Gatherer