rito is hitting the wrong part of draven's kit
draven's passive has been toxic ever since it was changed, now its going to be even more toxic. your support ks's and you die 1 for 1? you're pretty much fucked now since you lost almost all of your stacks, and geting a kill isn't as beneficial as it was. draven is falling out of the meta already, but now youre nerfing him after the bruiser meta (where he was good) had ended. fun xd. make it even more tilting to be camped by the enemy jungler.
maybe you could nerf one of these things:
his q mana costs
his base mana regen (so he cant spam his q and idiots who cant catch axes are punished more)
his q cooldown
(broken item, still ignored by riot)