[SR10-JP001] Machina Citadel (Ultra Rare)
Card Type : Monster
Attribute : EARTH
Type : Machine / Effect
Attack/Defense : 3000/2500
Card Description
Cannot be Normal Summoned/Set. Must be Special Summoned by a card effect. (Quick Effect): You can target 1 Machine monster you control; destroy that Machine monster and all monsters your opponent controls with Attack less than or equal to it. If a face-up EARTH Machine monster(s) you control, except "Machina Citadel", is destroyed by battle or card effect while this card is in your GY: You can Special Summon this card. You can only use each effect of "Machina Citadel" once per turn.