Your search for "Shaddoll Core SDSH-EN034" revealed the following:
Shaddoll Core - SDSH-EN034 - Common - 1st Edition from Structure Deck: Shaddoll Showdown 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Special Summon this card as an Effect Monster (Spellcaster-Type/DARK/Level 9/ATK 1450/DEF 1950). (This card is also...
Shaddoll Zefracore - SDSH-EN011 - Common - 1st Edition
Structure Deck: Shaddoll Showdown 1st Edition
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Shaddoll Zefracore - SDSH-EN011 - Common - 1st Edition from Structure Deck: Shaddoll Showdown 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Pendulum Effect:You cannot Pendulum Summon monsters, except "Shaddoll" and "Zefra" monsters. This effect cannot be negated.Monster...