target digimon cards Koromon [ST15-01] [Starter Deck: Dragon of Courage] strategic card synergies Digimon CCG Machinedramon - BT19-065

The only real downside here is that running Gwenom as a Commander locks you into Mono-Black

OP-16 adds to the format rather than cycling out older sets

[Cristian Urena] United States BRAZ IL Brazil mateusbra [Matheus Braz] MASTER DUEL BRAZ IL mateusbra [Matheus Braz] Brazil Brazil JUDUYGO [Pedro Gontow] MASTER DUEL BRAZ IL JUDUYGO [Pedro Gontow] Brazil Brazil ReichYGO [Rafael Reich] MASTER DUEL BRAZ IL ReichYGO [Rafael Reich] Brazil Rogue Rulers Germany Eric [Eric Toepel] MASTER DUEL Rogue Rulers Eric [Eric Toepel] Germany Germany Tigershark92 [Zio Mundry] MASTER DUEL Rogue Rulers Tigershark92 [Zio Mundry] Germany Germany Benk1w [Ben Kreutzkamp] MASTER DUEL Rogue Rulers Benk1w [Ben Kreutzkamp] Germany Double Noir Japan [Tomoyuki Ishiko] MASTER DUEL Double Noir [Tomoyuki Ishiko] Japan Japan K G [Keiji Ohzawa] MASTER DUEL Double Noir K G [Keiji Ohzawa] Japan Japan [Tetsuo Ono] MASTER DUEL Double Noir [Tetsuo Ono] Japan CER 2 x FCG Korea CER

As a result, any cards that can counter Circle as their X-effect can quickly steamroll through his Digimon without much problem