Is Flash of Insight legal in Standard, Modern, and Commander?

Flash of Insight is legal in: Legacy, Vintage, Commander.

What type of card is Flash of Insight?

Flash of Insight is an Instant. Its oracle text reads: "Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Flashback—{1}{U}, Exile X blue cards from your graveyard. (You may cast this card from your graveyard for its flashback cost, then exile it. You can't exile Flash of Insight to pay for its own flashback cost.)"

Flash of Insight

Instant

Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flashback—, Exile X blue cards from your graveyard. (You may cast this card from your graveyard for its flashback cost, then exile it. You can't exile Flash of Insight to pay for its own flashback cost.)

Set Judgment

Rarity Uncommon

Mana Value 2

Artist Ben Thompson

Collector # 40

Scryfall Gatherer