Thanks for the feedback!
About your question, we actually did that on purpose. We made it so that your action points are capped at 4 to allow sabotaging cards by rolling it’s costs to a number higher than 4. We wanted to implement some rules that goes well with this but in the end we did not have time to change it.
As others have pointed out, some of the rules are limiting the player’s choices thus making it less fun e.g. you are only able to draw one card per turn, middle cards respawn instantly, etc.
So yeah that kinda backfired xD