Updated version of my previous Mastemon build.
I realized that my old deck was just too slow compared to other decks which I played against in the BT12 format, often times resulting into just winning a few times by stalling out the game as much as possible.
This deck should be faster by being more consistent and focusing more on rushing not only with Mastemon, but also with lower level digimon.
This deck has not been tested yet and is just a rough draft. Future changes to this list are highly possible.