Great game reminds me of magic the gathering. I would stick with not being able to trade. It's what makes this game unique. If I wanted to play a trading card game I would get back into magic. There are only two problems that I have with the game which have already been mentioned above. there needs to be a way to recharge your energy other than spending dragon coins and there should be a pvp reward. perhaps these to problems can take care of each other? Wouldn't have to be a large bonus for winning a pvp battle or anything just 5 energy or something similar.
 "Clash of the Dragons"){kind=icon}