Just a quick idea come to my mind, if every unique card packs would have unique ids (CD-keys.. :DD), I think it could be possible to have tournaments trough a "game client", or maybe normal matches also. I never heard about things like this before, maybe this is something which is already exist anyway.. But I think this could make this game much more unique, and not just another card game. But this is just an opinion, anyway I'm really interested about this game even if it will have only Real Life interface.