Is Gem of Becoming legal in Standard, Modern, and Commander?

Gem of Becoming is legal in: Modern, Legacy, Vintage, Commander.

Gem of Becoming

Q: What type of card is Gem of Becoming?

Gem of Becoming is an Artifact. Its oracle text reads: "{3}, {T}, Sacrifice this artifact: Search your library for an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle."

Artifact

, , Sacrifice this artifact: Search your library for an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle.