Is Runed Crown legal in Standard, Modern, and Commander?

Runed Crown is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Runed Crown

Q: What type of card is Runed Crown?

Runed Crown is an Artifact — Equipment. Its oracle text reads: "When this Equipment enters, you may search your library, hand, and/or graveyard for a Rune card and put it onto the battlefield attached to this Equipment. If you search your library this way, shuffle. Equipped creature gets +1/+1. Equip {2}"

Artifact — Equipment

When this Equipment enters, you may search your library, hand, and/or graveyard for a Rune card and put it onto the battlefield attached to this Equipment. If you search your library this way, shuffle.

Equipped creature gets +1/+1.

Equip