[REQUIREMENT] When your opponent Normal Summons a monster, you can activate this by placing 1 Field Spell Card in your Graveyard on the bottom of the Deck.
[EFFECT] Change that monster to face-down Defense Position. Then, choose 1 face-up monster (Wyrm-Type) you control and have it gain 500 ATK/DEF until the end of the turn.
Atom 1.0
