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

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

Sword of Once and Future

Q: What type of card is Sword of Once and Future?

Sword of Once and Future is an Artifact — Equipment. Its oracle text reads: "Equipped creature gets +2/+2 and has protection from blue and from black. Whenever equipped creature deals combat damage to a player, surveil 2. Then you may cast an instant or sorcery spell with mana value 2 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Equip {2}"

Artifact — Equipment

Equipped creature gets +2/+2 and has protection from blue and from black.

Whenever equipped creature deals combat damage to a player, surveil 2. Then you may cast an instant or sorcery spell with mana value 2 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Equip