Eh, you will get used to that. I don't mind about card balance that much since I'm used to another game with imbalance (a.k.a Hearhstone, at least until recently), but the thing that's bugging me is the matchmaking system. It's broken, I get matched with lv8 with 8/5/2/0 at Arena 3 & 4. The heck?
It's amazing how heated and how... questionable the arguments can become when talking about card balance.