Shaddoll Zefracore (SDSH-EN011) - Structure Deck: Shaddoll Showdown 1st Edition

Pendulum Effect:
You cannot Pendulum Summon monsters, except "Shaddoll" and "Zefra" monsters. This effect cannot be negated.
Monster Effect:
If this card is Pendulum Summoned or sent to the Graveyard: You can target 1 "Zefra" card in your Pendulum Zone, except "Shaddoll Zefracore"; Special Summon it. You can only use this effect of "Shaddoll Zefracore" once per turn.