[REQUIREMENT] When your opponent Normal or Special Summons a Level 5 or higher monster(s), activate this by paying 500 LP.
[EFFECT] Choose 1 face-up monster you control with 500 DEF. It gains 500 ATK until the end of the turn. Then, you can choose up to 5 monsters in your opponent’s GY and shuffle them back into the Deck.
Atom 1.0
