Cross Card Campaign (Ｘカードキャンペーン) is a collaboration campaign between Z/X and WIXOSS trading card game.
By purchasing Booster 15: Activate! Super Regalia or its first edition limited set for a total amount of 1000 JPY or more in the store that run the campaign (indicated by the campaign poster), you will receive a "Code Piruluk" promotional card. Conversely, WIXOSS player may also receive an "Azumi Kagamihara" promotional card from the same campaign. Both promotional cards can be used interchangeably in Z/X and WIXOSS.