It's just radiating with color. The card's info says: RB03-EN032: Pearly Wishing Well Equip Spell Equip only to "My Pearly Pony Skywishes". You can Tribute 1 "My Pearly Pony" monster; add 1 "My Pearly Pony" monster from your Deck to your hand, and if you do, the equipped monster cannot attack for 2 of your turns. Common