Generic TCG Anime Jump (Or YGO:tAS the Movie: the Book: the Jump)

From the introduction: There are a lot of collectible card games out there, and it's about time they got some recognition! You'll be spending the next 10 years playing card games... to the death! Wait, you thought this was a vacation jump? No, no, see, in this world, the card game in question replaces just about all other forms of conflict resolution for reasons just about no one can explain if asked.