بليسيوس ضباب الداينو

[ Pendulum Effect ]
Once, while this card is in your Pendulum Zone, you can negate an activated card effect that targets another "Dinomist" card(s) you control, then destroy this card.
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[ Monster Effect ]
All face-up monsters your opponent controls lose 100 ATK and DEF for each "Dinomist" card you control.