Well, signed up and played my first game after one abortive attempt. Looks pretty good and I won, which is always a good thing (for me, at least; my opponents might feel differently). It's clearly still in development stages but shows a lot of promise. A few other comments:
It's not always clear to me whether cards that increase att/def do so temporarily or permanently. I haven't really noticed this on the cards you start out with, just when I was skimming through the total list of cards.
What's the difference between the 'afterlife' and the 'deadpool'?
During the game, the card the mouse has been most recently over is displayed to the left. However, the card picture and stats take up almost all the space available so that the card effect -- which is what I'll be most interested in until I'm more familiar with the cards -- is not initially in view. It can be scrolled into view, but to do so requires moving the mouse over to the scroll bar, and if it passes over a different card on the way then which card has its details being displayed changes. Hope that makes sense.
I'm looking forward to seeing how the game develops further.