2015 Summer Campaign (２０１５年 夏 キャンペーン！！) is a campaign that ran from 1 August 2015 in various Z/X official card shops. By purchasing any Z/X booster packs or Starter Decks for a total amount of 1000 JPY in the store that run the campaign (indicated by the campaign poster), you will receive a promotional pack containing one Dragon Miko (Summer Version) card sleeve and a random promotional cards (11 different kind).