[Requirement] You can activate this by sending 1 Spell/Trap Card from your hand to the Graveyard.
[Effect] Choose 1 face-up monster your opponent controls, it loses 300 ATK until the end of the turn. If “Fusion” is in your Graveyard, you can also choose 1 Spell/Trap Card your opponent controls and destroy it.
Atom 1.0
