Is Nyx Lotus legal in Standard, Modern, and Commander?

Nyx Lotus is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Nyx Lotus

Q: What type of card is Nyx Lotus?

Nyx Lotus is a Legendary Artifact. Its oracle text reads: "Nyx Lotus enters tapped. {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)"

Legendary Artifact

Nyx Lotus enters tapped.

: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)