Champion Mastery

In my Opinion Champion mastery should Show that your just a god at your champ it should be hard to get and it should be rewarding. So i think it would be way better if you just Level you champ to like Level 30 or something(this would take a ton of time) and when you get Level 30 you need a 10 game winstreak with that champ to get something like a master Skin for your champ to reward you for you dedication to that champ and show other Players that you can get a sick Performance out of this Champ.