Sigh.
It's always been suggested to sell relics by Zanz and the community. Buffing relics makes all of that advice become harmful and buffing relics is unfair to players that sold them (a lot of people).
Just some random thought, if relics really going to do something, we can have a new card replace it from the prize draw, and the old relics remain what it was.
So everyone start getting something useful for the slot, and no one going to be sad if he sold the old relics (cause they still don't do anything.)