Is Curse of Unbinding legal in Standard, Modern, and Commander?

Curse of Unbinding is legal in: Legacy, Vintage, Commander.

Curse of Unbinding

Q: What type of card is Curse of Unbinding?

Curse of Unbinding is an Enchantment — Aura Curse. Its oracle text reads: "Enchant player At the beginning of enchanted player's upkeep, that player reveals cards from the top of their library until they reveal a creature card. Put that card onto the battlefield under your control. That player puts the rest of the revealed cards into their graveyard."

Enchantment — Aura Curse

Enchant player

At the beginning of enchanted player's upkeep, that player reveals cards from the top of their library until they reveal a creature card. Put that card onto the battlefield under your control. That player puts the rest of the revealed cards into their graveyard.

Set Midnight Hunt Commander

Rarity Rare

Mana Value 7

Artist Sebastian Giacobino

Collector # 12

Scryfall Gatherer