Ancient Gear Castle [SR03-EN023] Common Link/Effect Monster change the attacking monster to

change the attacking monster to Defense Position

This card Normal Summon cannot be negated

) If a face-up "Ultimate Crystal" monster you control leaves the field because of an opponent's card effect: You can banish this card from your GY

all Spell/Trap Cards they control

You must control this face-up Attack Position card to activate and to resolve this effect

Ancient Gear Castle [SR03-EN023] Common Link/Effect Monster change the attacking monster toSet: Structure Deck: Machine Reactor Card type: Continuous Spell Rarity: Common All "Ancient Gear" monsters gain 300 ATK. Each time a monster is Normal Summoned Set, place 1 counter on this card. If you Tribute Summon an "Ancient Gear" monster face up, you can Tribute this card instead, if the number of its counters is equal to or greater than the number of required Tribute(s).