Topic: Berserk: The Cataclysm /
I believe there should be a public card Auction in this game. Things would get much more interesting.
To avoid alternative accounts problem the payment could be only in imperials and the offer could only be 1000 imps (or something like that) more than the previous offer (so, no-limit offers with cash transfert from alt to alt should be avoided).
To start an auction you could ask for 1 ounce if you need it – no more I think.