Your search for "Six Style - Dual Wield EXVC-EN073" revealed the following:
Six Style - Dual Wield - EXVC-EN073 - Common - 1st Edition from Extreme Victory 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Activate only if the only monster you control is 1 "Six Samurai" monster in face-up...
Six Style - Dual Wield - EXVC-EN073 - Common - Unlimited from Extreme Victory Unlimited, available at 401 Games Canada. Rarity: Common Card Text:Activate only if the only monster you control is 1 "Six Samurai" monster in face-up Attack Position....