Mordred, the Dueling Knight - 1-010 - U Tweet Out of stock. Wishlist Details ATK/DEF: 400/400 Attribute: Light Card Effect: [Continuous] Resonator battle with this card gains [-300/-300] until end of turn. Card Number: 1-010 Card Type: Resonator Cost: L1 Race: Knight of the Round Table Rarity: U Card Name: Mordred, the Dueling Knight
