I noticed when running a hunt in Barovia, that when you choose your poster, and then choose the cards you want. If you initiate going into the zone, and then go back to change the cards from what you previously set, leave the window open while you enter i.e. the timer hits 0, and then choose the cards once again. Once the hunt is finish the initial cards that were put down will be taken.
I did raise a support ticket and was told to put it on here.
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