Passcode: 92001300 Set: Machine Reactor Structure Deck Card Number: SR03-EN023 Rarity: Common Card Text: All "Ancient Gear" monsters gain 300 ATK. Each time a monster(s) is Normal Summoned/Set , place 1 counter on this card. If you Tribute Summon an "Ancient Gear" monster you can substitute this card for a Tribute(s) if the number of counters is equal to or greater than the number of required Tribute(s). Name: Ancient Gear Castle Edition: 1st