Is Cloudform legal in Standard, Modern, and Commander?

Cloudform is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Cloudform

Q: What type of card is Cloudform?

Cloudform is an Enchantment. Its oracle text reads: "When this enchantment enters, it becomes an Aura with enchant creature. Manifest the top card of your library and attach this enchantment to it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) Enchanted creature has flying and hexproof."

Enchantment

When this enchantment enters, it becomes an Aura with enchant creature. Manifest the top card of your library and attach this enchantment to it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Enchanted creature has flying and hexproof.

Set Commander 2018

Rarity Uncommon

Mana Value 3

Artist Noah Bradley

Collector # 83

Scryfall