selling grand chase account buy UR cards

I'm selling my grand chase chase account because I don't play GC anymore and the account is doing nothing, I found out about sythe 2 days ago because I saw that someone was selling CR cards in a game called urban-rivals which I play.

for those of you who know grand chase my account has (its been a while so can't remember perfectly) 14-15 characters most level 60-78 and has the cash character asin which was the last one to be released before I quit, the asin character is like level 50.

like I said I would prefer to trade this account for cards in UR

due to an e-mail recovery clause I am willing to allow someone to get on the grand chase account and see what it has (I value the account at about $500 simply because of the items it has) however I want to confirm that the person getting on the account has an account on Urban-Rivals and actually can complete their offer.

so basically
step 1: send me a private message with your offer (if your offer is enough)
step 2: I will reply and send you my IGN in UR
step 3: place the cards in a secure trade to my IGN (this works out better because I can see the cards and clintz in the secure trade page and you don't have to accept it in order for me to see the cards and clintz)
step 4: I check to see that you have everything you offered (if it turns out to be true
step 5: I will send you the log-in ID and password for my grand chase account so you can log in and see everything (if we both accept)
step 6: you send me the cards/card for 50 clintz in my privates (or you can use the secure trade option, if I do not receive the cards I will change the password on the account after 24 hours. if the trade goes successfully)
step 7: you request an e-mail change on the account and I will confirm it once it gets into my e-mail so that the account is linked to your e-mail instead. this finalizes the transaction

:L even though I see trust problems in steps 5-7 I can't figure out a way to overcome them in a manner that benefits both parties so any ideas are welcomed (I know most people like to use a middle man but I don't see how it would be advantageous in this type of trade however if you want to include someone to watch over the trade thats' fine with me)

I am hoping to get one of the big 5 (if you play UR you know what they are) or clintz/cards worth total of about 12 mill