Each Structure Deck: Seto Kaiba contains:
- Most Duelists in the Battle City tournament could only use their monsters to attack and defend; Seto Kaiba built his Deck using monsters that could change into Equip Spells to power up and protect each other!
- Most Duelists in the Battle City tournament could only use their monsters to attack and defend; Seto Kaiba built his Deck using monsters that could change into Equip Spells to power up and protect each other!
