Is Calibrated Blast legal in Standard, Modern, and Commander?

Calibrated Blast is legal in: Modern, Legacy, Vintage, Commander.

Calibrated Blast

Q: What type of card is Calibrated Blast?

Calibrated Blast is an Instant. Its oracle text reads: "Reveal cards from the top of your library until you reveal a nonland card. Put the revealed cards on the bottom of your library in a random order. When you reveal a nonland card this way, Calibrated Blast deals damage equal to that card's mana value to any target. Flashback {3}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)"

Instant

Reveal cards from the top of your library until you reveal a nonland card. Put the revealed cards on the bottom of your library in a random order. When you reveal a nonland card this way, Calibrated Blast deals damage equal to that card's mana value to any target.

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