Is Secluded Starforge legal in Standard, Modern, and Commander?

Secluded Starforge is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Secluded Starforge

Q: What type of card is Secluded Starforge?

Secluded Starforge is a Land. Its oracle text reads: "{T}: Add {C}. {2}, {T}, Tap X untapped artifacts you control: Target creature gets +X/+0 until end of turn. Activate only as a sorcery. {5}, {T}: Create a 2/2 colorless Robot artifact creature token."