It's simple. Wingardium Leviosa!
This comic started as a Derpy and Dash doodle, having Derpy outdo Dash with magic... and it somehow turned into this. Heh, hope ya guys like it!
P.S. SEQUEEEEEEEL~ Just sayin'... No, it's not based on ONEYNG's video >.> and the characters were chosen out of random.