Cannot be Normal Summoned/Set. Must be Special Summoned by a card effect.
You can only use this card name’s (1) and (2) effects once per turn each.
(1) (Quick Effect): You can target 1 Machine monster you control; destroy that target and all monsters your opponent controls with equal or less ATK
(2) If a face-up EARTH Machine monster you control, except “Machina Citadel”, is destroyed by battle or card effect and this card is in your GY: You can Special Summon this card.
Atom 1.0
