Ancient Gear Castle [SR03-EN023] Common Link/Effect Monster place them on top of

place them on top of their Deck in any order

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

) 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

If this Xyz Summoned card is destroyed: You can target 2 "The Phantom Knights" monsters with the same Level in your GY

Ancient Gear Castle [SR03-EN023] Common Link/Effect Monster place them on top ofSet: 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).