Ahri needs a BIG nerf
54% WR. The most broken AP mid , atm. She mooves too faster with her orb, even more than Hecarim or Udyr. The cooldown on her ultimate is too low. She dashes everywhere , everytimes.
She have sustain in lane. And TRUE-DAMAGE poke. And BIG BURST damage with no counterplay BECUZ OF THE DEATH KISS, better than Elise's cocoon.
Even a bronze player can climb to Platinum if he spam this champion.
Now, i know why Riot create more and more skins for her. A skin on a broken kawaï girl champion will sell a lot better than a skin on Urgot or Yorick... 
and they're not OP in your eyes? (2 of which cast true damage, one on minions and jungle creeps including dragon and one on champions) And her "death kiss" is easy to counter, it's called STAY BEHIND YOUR MINIONS. If that's too hard then try to bait it out by moving in the opposite direction as soon as you see her turn to cast it.
There they are.