Sunset Shimmer's crown is a minor recurring piece of equipment in My Little Pony series. It has various effects depending on the game, although its properties are mostly geared to favor the magic stat.
Scooby-Doo! The Ending of the End[]
Sunset Shimmer's crown accessory raises magic and magic defense by 23 points, and can be bribed from Bradley Chiles or Judy Reeves, stolen from Professor Pericles (oversoul) or found on the Apple City Bird Market.