The Library has been massively updated. Now, not only can you view all the cards in the game, you also can view adventure enemies and their decks, multiplayer wizards and their decks, and adventure tomes and their spell lists. I'll talk a bit more about this when I get to the updates on adventure card rewards.
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There is a new adventure event, the record room. You will have the opportunity to fully reorganize your deck.
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I reworked the way adventure card rewards work. Previously, I put a weight on every individual card that you could get from a combat. I now have a master list of cards that have a sort of rarity value on them. Enemies now have weights on what rarity of cards they give. I also made it so that when you are getting a card reward, their will be a weight on attack, defend, or buff cards. This was mainly due to the fact that their are significantly more attack cards than defend cards, but it often can be bad for deck ordering to have to many hands without a defend, so I wanted to make it easier to get defend cards. Certain enemies will more heavily weight towards certain types of cards. You can check an enemies card rewards preference in the Library. Enemies still have unique cards that they can give as rewards. Some times these unique cards will be in the general pool as well, but they will be more likely to appear if they are listed as a unique card.
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Lastly I believe I fixed the bug that would cause the deck to get stuck with a backwards card and stop updating forcing you to play blind. I also fixed the bug where if new cards were added to the top of your deck, it would not show them until the spellbook fully flipped the page. Let me know if either of these bugs still pop up though.