Is Unsettling Twins legal in Standard, Modern, and Commander?

Unsettling Twins is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Unsettling Twins

Q: What type of card is Unsettling Twins?

Unsettling Twins is a Creature — Human. Its oracle text reads: "When this creature enters, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)"

Creature — Human

When this creature enters, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

Set Duskmourn: House of Horror

Rarity Common

Mana Value 4

Artist Lauren K. Cannon

Collector # 38

Scryfall Gatherer