Is Arcane Infusion legal in Standard, Modern, and Commander?

Arcane Infusion is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Arcane Infusion

Q: What type of card is Arcane Infusion?

Arcane Infusion is an Instant. Its oracle text reads: "Look at the top four cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. Flashback {3}{U}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)"

Instant

Look at the top four cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)