Cardfight!! Vanguard TCG - UFO (Unlucky Flying Object) (BT10/098EN) - Booster Set 10: Triumphant Return of the King of Knights A single individual card from the Cardfight!! Vanguard trading and collectible card game (TCG/CCG). This is of C rarity. From the Booster Set 10: Triumphant Return of the King o... set.