I got an idea we could create a team and loan cards for a few hours to get a job done....
Or trade them...

We used to do that on Mafia wars.... If you reply your interested I will set up a trading spot for us on my blog post...people would reply to a blog post and negotiate through replies to each other.

And when they are both ready they would send the cards to me, I will make sure as an independent arbitrator that the cards do not go to the other person till I have both sides in my possession.

If they are loaning the cards then the other side must put cards up as collateral worth more in the market then the borrowed cards... And you must return the card at the designated time...otherwise the cards will be forfeited and you will be banned forever.....

You would have to witha low trust level of (1) 4th level common, or third level rare.
and as you do more transactions with different players your rating would go up.