New Core Card can not work in the Puzzles of the Barren Land

Bug Report
6

The summary AFAIK is:

  1. Mysteries of Natharia - Decklist that used to start Shaman game vs. computer now takes you into Wild play. No workable solutions

  2. Mysteries of Barrens: Druid portion - bugged, but some say solvable by swapping cards

  3. Mysteries of Barrens; Hunter portion - not playable

  4. United in Stormwind - 'United in Stormwind' Mystery won't trigger