my account got:
level 120 deck (fire)
promo firedancer
promo juggernaut
some bfp left
i think if you sell all cards you get about 80-100k bfp
if you want to buy you need to use this format:
skype name: [name]
bid: [price you want to pay]
payment option: [how are you gonna pay?]
link to screenshot: