There should be a way to get skins for free based on how well you do with that legend
I believe that after getting (for example) 500 kills with lux, or 50,000 healing as soraka, the system should assign you points that you can eventually use to buy that champions skin. Of course, it would be very hard to obtain these points but the whole point is so that, you can get the skin based on how well you play that legend. Does anyone else have any feedback on this?