Is Scour legal in Standard, Modern, and Commander?

Scour is legal in: Modern, Legacy, Vintage, Commander.

Scour

Q: What type of card is Scour?

Scour is an Instant. Its oracle text reads: "Exile target enchantment. Search its controller's graveyard, hand, and library for all cards with the same name as that enchantment and exile them. Then that player shuffles."

Instant

Exile target enchantment. Search its controller's graveyard, hand, and library for all cards with the same name as that enchantment and exile them. Then that player shuffles.

Set Betrayers of Kamigawa

Rarity Uncommon

Mana Value 4

Artist Ittoku

Collector # 20

Scryfall Gatherer