Since the number of attacks are so limited, I mostly just stalled for more enemies to spawn so I could take them all out with Stampedes and/or Dream Marisas. Dream Marisa and Dream Joon are great, strictly better than most other cards since you can always waste cards you don't need to be able to draw more with Joon. I had like one close call, but otherwise was able to clear it no problems. I could see it being RNG dependent, though.
Nice game.