Is Clarion Ultimatum legal in Standard, Modern, and Commander?

Clarion Ultimatum is legal in: Modern, Legacy, Vintage, Commander.

Clarion Ultimatum

Q: What type of card is Clarion Ultimatum?

Clarion Ultimatum is a Sorcery. Its oracle text reads: "Choose five permanents you control. For each of those permanents, you may search your library for a card with the same name as that permanent. Put those cards onto the battlefield tapped, then shuffle."

Sorcery

Choose five permanents you control. For each of those permanents, you may search your library for a card with the same name as that permanent. Put those cards onto the battlefield tapped, then shuffle.

Set Shards of Alara

Rarity Rare

Mana Value 7

Artist Michael Komarck

Collector # 163

Scryfall Gatherer