Chromas for Mastery 7

With the addition of emotes into League, there seems to be a lack of importance of masteries. A solution can be adding Mastery based chromas. This would be a lot of work for Riot, but they could just change the color of the base skin to give players an incentive to level up their masteries. Hope Riot could consider this. Edit: feel free to say other ideas or objections to make masteries more relevant.
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