Thanks for the answer, but what about the bad taste of being beaten? sometimes they have attacked me and I won but most of the time they attack me and win so I wanted to know some configuration so that it is not so easy to be beaten.
I understand, but you will have to realize that these guys spend huge loads of money on card upgrades.
(I can tell, I have sold tons of cards to them.)
So unless you want to spend a load of money on cards as well, there's just no way you could beat an experienced attacker.
Thank you very much for answering, sorry for not answering before due to some problems, I was also spending on cards but I will follow your advice, I have more than 1500 boxes to open and from there the cards necessary to defend myself will come out, thank you and have one great week.