User blog comment:Mineko Charat Lucky/Your Champion Abilities Now Refresh on Kills and Assists Like Katarina/@comment-4834593-20130219191201/@comment-4636093-20130219194500

I think he meant Like Katarina too... Because he said like Katarina.

And the "Who would be the best if all cooldowns were refreshed on kill?" arguments have been done hundreds of times now.