Effect
At the end of the Damage Step, if this Defense Position card was attacked by a monster whose ATK is lower than this card's DEF: Destroy the attacking monster.
The effect of "Needle Ball" is a Trigger Effect.
It does not target.
If the DEF of a Defense Position "Needle Ball" is higher than the ATK of the opponent's attacking monster when damage calculation is performed, its effect activates at the end of the Damage Step.
If the DEF of a Defense Position "Needle Ball" and the ATK of the opponent's attacking monster are equal, the effect does not activate.
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