The Blue Card (ブルーカード Burū Kādo?) contains an algorithm that was created by Shibumi. It exists to create digital connections and does so in any way possible, much like the Digi-Gnomes. The Blue Cards use emotions and faith to make ideas real, and as a result, any card can be transformed into a Blue Card once you understand how they work. Also, due to this nature, it can be used in many different ways. Kazu created a facsimile of the Blue Card, which Takato later used to help Growlmon digivolve to WarGrowlmon. Out of the Blue