Mysterious Fortune Cards- Do You Sell or Open?

Ok, Ok. There has been alot of information and posts of Mysterious Fortune Cards. As you know, I had a previous post on them, and had little if no luck on any epics.....However, I have been bitten by the bug myself (only for the sheer fact of actually opening up a 5K card), and have not seen one yet, only in link. After posting 100 in differing stacks this morning, I had a few left, and decided