Hum, the contents of _cards.dat was very approximate. No subtypes, lots of typos, discrepancies between the image and the actual text... I cleaned it up (at least, errors I could find). I also removed the black borders from images to match the rest of the game
images:
http://www.megaupload.com/?d=AAB4MGDScorrected cards.dat attached in this post
Personal review: This set only has very "simple" cards, lots of vanilla creatures, and is overall a bit overpowered for me (damage 3 for one mana... reminds me of good old lightning bolt). So it's not "super fun" to play, but it's still very cool to have a full custom set
