This is absurdly good
Ostensibly, this could also be done through registration of names, shipping addresses, or credit card numbers
Graded Population Report: Ledyba [Reverse Holo] #10 Visualize the distrbution of grades in the chart
The last notable characters in this deck are Roronoa Zoro ST12-008, which allows you to tap blockers and other relevant characters your opponent controls, and Sanji ST12-011, which can get up to 6000 power easily if it has a DON
The goal of the deck is to flood the board with a variety of token artifacts -- clues from Tireless Tracker, thopters from Sharding Sphinx, treasures from Pain Distributor, and so on -- and utilizing them in unique ways, such as tapping them for mana with Inspiring Statuary, drawing cards with Shimmer Dragon, and dealing damage with Ghirapur Aether Grid
Your Extra Deck is separate to your Main Deck, and is placed facedown in a different space - the Extra Deck Zone - on the battlefield during setup