The spinning tower system to progress through the game is a promising mechanic and a creative exploration of the theme, but the lack of a tutorial makes it hard to get into the game. After reading the description on the page I was able to give it another go and had some fun.
I think that if there were fewer cards to choose from, but more variety in the aspect of the dungeon with torches, hanging chains, etc... and some background music, it could be really good.
It looks like you wanted to make it a roguelite with a complex tactical combat system but personally I don't feel like it really adds much to the game at this stage. Just a few spells, more lively sprites and a better sense of where we are in the dungeon would make a better difference to me.