• Girag is seen playing a Deck that uses “Number 106: Giant Hand”, “Gigantes”, and “Revival Golem”
• Alito is seen playing a Deck that uses “Number 105: Battlin’ Boxer Star Cestus”, “Battlin’ Boxer Switchitter”, “Battlin’ Boxer Sparrer” and “Battlin’ Boxer Glassjaw”
• Mizael/Mizar is seen playing a Deck that uses “Number 107: Galaxy-Eyes Tachyon Dragon”, “Schwarzchild Limit Dragon”, and “Parsec, the Interstellar Dragon”
• Durbe/Dumon is seen playing a Deck that uses “Number 102: Star Seraph Sentry”, “Star Seraph Sword”, “Star Seraph Sage” and “Star Seraph Scout”
• Vector is seen playing a Deck that uses “Number 104: Masequerade”, “Umbral Horror Ghoul”, “Umbral Horror Unform” and “Umbral Horror Will o’ the Wisp”.

Source: https://www.konami.jp/gs/game/yugioh_dc/duelist/