This is quite fun, and a good spin on a format I usually don't have much interest in (deck builders). I did, however, somehow manage to play my hand empty on the fourth enemy, which seemingly broke, oh, everything. I got three invisible cards for a reward, and could not see the cards in my deck when it came time to dispose of one. Then the fifth enemy was, well, the default board with "new text" and no actions.
Up to that point it was very fun and engaging, and the different baddie types kept it interesting. I can't say I saw much of a Master of Puppets theme here, though. Not that it isn't there to be seen, only that I didn't get to see it.