Blue Card is
History[]
The Blue Card was original algorithm Created by Shibumi to learned that Human and Digimon Can coexist with each other that why the Blue Card make it's way up to the Real and the First One is Give to Takato Matsuki when he put his card away it shelly drop on the park near the school and then another was give to Henry Wong when he was playing a game a Digimon Battle Card Game and then the Final was Give to Rika Nonaka when she went home from the Digimon Battle Card Game Tournament then they Digi-modify the Card and Tranformed the Card Reader and adapter to a D-Ark and then they Use To battle Against the Ultimate Digimon and the D-Reaper Agents.