Is Disturbing Mirth legal in Standard, Modern, and Commander?

Disturbing Mirth is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Disturbing Mirth

Q: What type of card is Disturbing Mirth?

Disturbing Mirth is an Enchantment. Its oracle text reads: "When this enchantment enters, you may sacrifice another enchantment or creature. If you do, draw two cards. When you sacrifice this enchantment, 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.)"

Enchantment

When this enchantment enters, you may sacrifice another enchantment or creature. If you do, draw two cards.

When you sacrifice this enchantment, 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 Uncommon

Mana Value 2

Artist Nino Vecia

Collector # 212

Scryfall Gatherer