Is Kuldotha Phoenix legal in Standard, Modern, and Commander?

Kuldotha Phoenix is legal in: Modern, Legacy, Vintage, Commander.

Kuldotha Phoenix

Q: What type of card is Kuldotha Phoenix?

Kuldotha Phoenix is a Creature — Phoenix. Its oracle text reads: "Flying, haste Metalcraft — {4}: Return this card from your graveyard to the battlefield. Activate only during your upkeep and only if you control three or more artifacts."

Creature — Phoenix

Flying, haste

Metalcraft — : Return this card from your graveyard to the battlefield. Activate only during your upkeep and only if you control three or more artifacts.