Is Arctic Treeline legal in Standard, Modern, and Commander?

Arctic Treeline is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Arctic Treeline

Q: What type of card is Arctic Treeline?

Arctic Treeline is a Snow Land — Forest Plains. Its oracle text reads: "({T}: Add {G} or {W}.) This land enters tapped. *"When the Light of Starnheim shines here, every frost-edged needle glitters with the reflected glory of the Cosmos." —Iskene, Kannah storyteller*"