Kit-Kat
Total Trash Mammal
Perhaps a present era card manufacturer or perhaps a dueling pro sitting atop the rankings? To pop out some ideas. He/she creates this idea of bringing together duelists from all over the world to this one city, offering prizes and travel expenses paid, inviting, luring them all in....... Meanwhile as festivities and announcements take place, He/She plots to uncover as many number cards and their owners as possible, aiming to claim the true prize of every number card present in the tournament. *Pegasus voice and evil laugh, while drinking some fine wine and sitting comfortably back in their chair, overlooking the city from a high top porch*
Dude, that's a super cool thing right there. That can totally work.