Some really nice balance changes in this update. I was finally able to clear the boss battle and didn't find the other encounters too difficult either. The flow of the game was significantly improved from the game jam release, very nicely done!
The shop confused me a bit at first, but I think the idea of that sort of trade system is really interesting. 100 for removing cards is a little expensive, and it may be better to allow that option to be picked multiple times. Otherwise players will skip new cards out of fear of ruining their decks.
The hands-on tutorial is nice, but might be a bit much. I think most players would just want something brief. It also softlocked the game for me.