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- This card can be searched by "Dark Sage", "Ancient Gear Drill", "Alchemic Magician", "Hidden Armory", "Iron Blacksmith Kotetsu", "Power Tool Dragon", "Vylon Cube" and "Vylon Delta".
- Avoid equipping "Number C39: Utopia Ray Victory" or "Number S39: Utopia the Lightning" with this card, because they already prevent Spells/Traps from activating in response to their attacks. Other "Utopia" monsters will benefit from fast effect timing rules when equipped with this card, which prevents their opponent from activating Spells/Traps when they attack.