Is Frenetic Efreet legal in Standard, Modern, and Commander?

Frenetic Efreet is legal in: Legacy, Vintage, Commander.

Frenetic Efreet

Q: What type of card is Frenetic Efreet?

Frenetic Efreet is a Creature — Efreet. Its oracle text reads: "Flying{0}: Flip a coin. If you win the flip, Frenetic Efreet phases out. If you lose the flip, sacrifice Frenetic Efreet. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)"

Creature — Efreet

Flying<br>: Flip a coin. If you win the flip, Frenetic Efreet phases out. If you lose the flip, sacrifice Frenetic Efreet. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)