I'm about 10 games in with Nightvault. We're not doing deckbuilding outside of the cards that come with the warband. So far it's been fun and I plan on playing it more. I could totally see though that if we allowed free deck building, whoever bought the most warbands would have a huge, huge advantage. I recommend the game as long as you and your opponent are on the same page when it comes to deckbuilding. A great way to play to start is that you play with all 20 faction specific cards as your power deck and 9 faction objective cards and then any 3 neutral objectives to make your 12 card objective deck. It's a great starter game where everything you are doing feels like it fits with your faction. It's definitely a more board game feel than a wargame.