====== Dune Scratchpad ======
  * Loyal to Emperor
  * Battle Royale planet
    * Minor houses sent to subdue fremen
    * politics with both houses and fremen
    * winner get to be major house of whole planet?
    * Not single terrain type?
    * Winner becomes major house
    * Neutral minor houses for trading/etc.
    * 'lost planet' that was hidden by 'mist' that blocked navigation
    * mystical reason for mist/fremen (FIXME mystery of campaign - how mist happened)