Is Mox Emerald legal in Standard, Modern, and Commander?

Mox Emerald is legal in: no major formats. It is banned in: Legacy, Commander.

What type of card is Mox Emerald?

Mox Emerald is an Artifact. Its oracle text reads: "{T}: Add {G}."

Artifact

: Add .

Set Limited Edition Alpha

Rarity Rare

Artist Dan Frazier

Artifact