Hey Cat, good idea for this. Incorporating a card game into it was great. There were a few things I would have loved to see:
1. Certain levels didnt allow you to see the card placements. I would just always keep that.
2. Clearly call out when a card will be destroyed after using it.
3. I didnt understand why my bot would lose health most of the time. There were times that he would lose significantly more health then others when just walking.
4. The card system is actually great for this, you just need more content and a better idea to get the player to really have to think hard about levels.
Great work!