Trade in store request

TrubluMate

I know that it won’t have a chance to be coded for this months trade in store, but in the future could you implement a trade in of the Old 2015 3-4 rank up gems? I have used a few of them over the years, but now find that the 5 stars I don’t have ranked up I now have as six stars, many duped already. But if there was a way to trade them in for class based non year specific gems, Many of us would likely rank up some of the newer champs we pull as five stars.I