game is still new. found this in discussions:
http://steamcommunity.com/app/431330/discussions/0/458604254473690992/
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https://gleam.io/Gq66n/mass-giveaway-steam-3000-keys-steam-for-dungeons-are-random-available-on-steam-jan-05-2016
No cards (but still a new game so might be added in the future)
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