tcg one piece booster box Japanese TCG: Legacy of the Master (OP12) 2 Secret Rare cards One Piece - OP-15 Adventure

This allows you to start spamming out Regenesis monsters using some easily searchable Summons

Sprite x3 Debris Dragon Glow-Up Bulb Junk Synchron x3 Majestic Dragon Turbo Synchron Spell Cards Dark Hole One for One Tuning x3 Trap Cards Call of the Haunted x2 Compulsory Evacuation Device Hope for Escape Scrap-Iron Scarecrow x3 Extra Deck Synchro Monsters Formula Synchron x2 Junk Warrior x3 Majestic Star Dragon x2 Shooting Star Dragon x3 Stardust Dragon x3 Stardust Shooting Star (Link Evolution) Main Deck Monster Cards Effect Monsters Cosmic Compass x2 Doppelwarrior Quillbolt Hedgehog x3 Sonic Chick Stardust Phantom x2 Stardust Xiaolong x3 Stronghold Guardian Synchron Explorer x3 Tuner monsters D.D

The third Master Duel event is currently underway and features a special restriction to shift the spotlight onto Synchro Monsters

Weakness: Fire (x2) Resistance: none Retreat: 3 #3 Butterfree HP120 Stage 2 Evolves from Metapod Ability: Tricolor Scales When you play this Pokemon from your hand to evolve 1 of your Pokemon during your turn, you may leave your opponents Active Pokemon Burned, Confused, and Poisoned