Stop Nerfing Janna's AP Ratios
The problem is not, and has never been, AP Janna. If you're going to nerf her, you need to look at the frequency of her E or her passive or her base heals / shields. Most Janna's build very little (or any) AP, so it's frustrating to see you nerf AP Janna every single time Janna becomes popular.
Edit: And they nerfed her quick cast tornado again too. Riot, no one enjoys having to charge the tornado up, it's supposed to be a reactionary spell.
show up bot lane???
Meanwhile...

