It was nice to think about outcomes of single decisions and how they will change the balance of power. What I was missing was some victory condition (even if it would be something like build 100 floors), because once I build 21st floor, I was not motivated enough to continue and I failed my attempt deliberately to see what happens.
The art style of the game is pretty. I like how you combine 3d with 2d and how you can zoom into the floor and enjoy all those details (and I rather not think of how the hell they get that horse on floor 20 :-D). I like the stylization of pictures on the cards. Subtle bacground music is also nice and calming.
Very good job!