Is Oswald Fiddlebender legal in Standard, Modern, and Commander?

Oswald Fiddlebender is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Oswald Fiddlebender

Q: What type of card is Oswald Fiddlebender?

Oswald Fiddlebender is a Legendary Creature — Gnome Artificer. Its oracle text reads: "Magical Tinkering — {W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery."

Legendary Creature — Gnome Artificer

Magical Tinkering — , , Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery.