You can only activate 1 card with this card’s name per turn. Cards and effects cannot be activated in response to this card’s activation.
(1) When a monster declares an attack: Destroy 2 Set cards you control, and if you do, negate the attack. Then, if a monster card(s) was amongst the destroyed cards, destroy as many monsters your opponent controls as possible whose ATK is less than or equal to the DEF of 1 of those monster(s), and if you do, it becomes the End Phase of this turn.
Atom 1.0
