Hidden Temples of Necrovalley
Activate only if a "Gravekeeper's" monster and "Necrovalley" are on the field. Neither player can Special Summon monsters, except "Gravekeeper's" monsters. If either a "Gravekeeper's" monster or "Necrovalley" is not on the field, destroy this card.
Speed Duel Starter Decks: Destiny Masters
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