Is Aang's Iceberg legal in Standard, Modern, and Commander?

Aang's Iceberg is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Aang's Iceberg

Q: What type of card is Aang's Iceberg?

Aang's Iceberg is an Enchantment. Its oracle text reads: "Flash When this enchantment enters, exile up to one other target nonland permanent until this enchantment leaves the battlefield. Waterbend {3}: Sacrifice this enchantment. If you do, scry 2. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.)"

Enchantment

Flash

When this enchantment enters, exile up to one other target nonland permanent until this enchantment leaves the battlefield.

Waterbend : Sacrifice this enchantment. If you do, scry 2. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for .)