An update: by now, they have put a whole bunch of download-able stuff. With the release of the e-shop download version, they made available the third download card and a new map.
They are also giving +100% card rewards for online random matching play during early February. In the "special room", they have been offering various unusual rules for those who seek more variety. These weeks it's paired team play vs. AI team, but one of the AI players is handicap level 6 (starting Dragons on level 3 Fire territories). Generally, against handicap level 6 and above, the handicap gets so unfair that it becomes unreliable to play using your favorite general deck. Some Culdcept "purists" may hate this, but you may have to build a specialized deck against that character and level, in order to take down the handicap starting creatures as well as overcome the steep extra salary/rent. For me, even with my specialized deck, the win rate in this special room has been low. Even with a specialized deck, one (and his partner too) must play carefully and needs some luck too.