Effect
Target 1 face-down Defense Position monster on the field; return it to the hand, then the player whose card was added to their hand can Special Summon 1 monster from their hand in face-down Defense Position. When an opponent's monster declares an attack: You can banish this card from your GY; change 1 face-down Defense Position monster on the field to face-up Attack Position. You can only use each effect of "Riot's Reason" once per turn.
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