Is Unseal the Necropolis legal in Standard, Modern, and Commander?

Unseal the Necropolis is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Unseal the Necropolis

Q: What type of card is Unseal the Necropolis?

Unseal the Necropolis is an Instant. Its oracle text reads: "Each player mills three cards. Then you return up to two creature cards from your graveyard to your hand. (To mill three cards, a player puts the top three cards of their library into their graveyard.)"

Instant

Each player mills three cards. Then you return up to two creature cards from your graveyard to your hand. (To mill three cards, a player puts the top three cards of their library into their graveyard.)

Set March of the Machine

Rarity Common

Mana Value 3

Artist Isis

Collector # 128

Scryfall Gatherer