Is Guff Rewrites History legal in Standard, Modern, and Commander?

Guff Rewrites History is legal in: Legacy, Vintage, Commander.

Guff Rewrites History

Q: What type of card is Guff Rewrites History?

Guff Rewrites History is an Instant. Its oracle text reads: "For each player, choose target nonenchantment, nonland permanent that player controls. Those permanents' owners shuffle them into their libraries. Each player who controlled one of those permanents exiles cards from the top of their library until they exile a nonland card, then puts the rest on the bottom of their library in a random order. Each player may cast the nonland card they exiled without paying its mana cost."

Instant

For each player, choose target nonenchantment, nonland permanent that player controls. Those permanents' owners shuffle them into their libraries. Each player who controlled one of those permanents exiles cards from the top of their library until they exile a nonland card, then puts the rest on the bottom of their library in a random order. Each player may cast the nonland card they exiled without paying its mana cost.

Set Commander Masters

Rarity Rare

Mana Value 3

Artist Matt Stewart

Collector # 737

Scryfall Gatherer