Loved to see a deckbuilder in the jam entries :) Really solid core gameplay loop with the risk/reward ratio of angering the dragon and stealing money (as well as being perfectly on theme!) while juggling guarding and defusing anger. I think I liked that the dragon only attacks every other turn so you can focus on going all out in your thievery one turn and then focus on guarding the next.
There were some balance issues (unavoidable in a game of this complexity for a 3-day jam)--namely that, at least from my experience, it was extremely easy to play it safe and block damage entirely while slowly raising your money and managing anger so the dragon never does more than 5 damage. This made the overall pace of the game extremely slow while I was playing.
That being said, I really commend the ambition and know that with just a few tweaks the excellent concept could really shine. Good work! I got 220 coins in my run.