Leo opened his "Deck Pro" vault—a feature that let him store thousands of curated lists. He didn’t just copy top-cut decks. He ran his own algorithm: Synchro-Dimension Tagging . It matched archetypes not by name, but by resource flow.
Main Deck: 41 Extra Deck: 15 Side Deck: 15 yu-gi-oh deck pro
Then he saw it.