Is Moonsilver Key legal in Standard, Modern, and Commander?

Moonsilver Key is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Moonsilver Key

Q: What type of card is Moonsilver Key?

Moonsilver Key is an Artifact. Its oracle text reads: "{1}, {T}, Sacrifice this artifact: Search your library for an artifact card with a mana ability or a basic land card, reveal it, put it into your hand, then shuffle. *To restore the day-night balance, the Celestus mechanism's Sungold Lock must be reunited with its long-lost key.*"

Artifact

, , Sacrifice this artifact: Search your library for an artifact card with a mana ability or a basic land card, reveal it, put it into your hand, then shuffle.