Cover Characteristics: Book Covers featuring People Holding Glowy Magic in Their Hands

I know you must be thinking whaaaaaaa? But allow me to explain. My first response is that this was not the official topic this week for the meme. (Really, Kristen? Shocking. I know.) My second response is that I know it is highly specific, but yes, there actually *are* a lot of covers that have exactly this on them. I think it's an urban fantasy thing. And since I read a lot of urban fantasy, I...