شره العاث اللاشكلي

[ Pendulum Effect ]
While you control an "Amorphage" monster, monsters cannot activate their effects, except "Amorphage" monsters. Once per turn, during your Standby Phase, Tribute 1 monster or destroy this card.
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[ Monster Effect ]
If this card is Pendulum Summoned or flipped face-up, neither player can Special Summon monsters from the Extra Deck while this card is face-up on the field, except "Amorphage" monsters.