Must first be Fusion Summoned. When your opponent would Special Summon a monster(s): You can negate the Summon, and if you do, destroy it, then, send 1 'Shaddoll' card from your hand to the Graveyard. You can only use this effect of 'El Shaddoll Grystal' once per turn. If this card is sent to the Graveyard: You can target 1 'Shaddoll' Spell/Trap Card in your Graveyard; add that target to your hand.