You can only use the 1st effect of this card’s name once per turn.
(1) When your opponent Special Summons a monster(s): You can Special Summon this card from your hand in face-down Defense Position, and if you do, change it to face-up Defense Position during the End Phase of this turn.
(2) If this card is flipped face-up during the End Phase: Destroy all Special Summoned monsters on the field.
Atom 1.0
