Effect
Activate only if both 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.
You can activate "Necrovalley Temple" if a "Gravekeeper's" monster is in either player's Monster Zone, and "Necrovalley" is face-up on either player's field.
You can activate "Necrovalley Temple" even if "Gravekeeper's Priestess" is face-up in the Monster Zone and its monster effect that makes the field "Necrovalley" is being applied.
The effect "As long as this card is on the field, neither player can Special Summon monsters, except 'Gravekeeper's' monsters" does not start a Chain.
The effect "If a 'Gravekeeper's' monster and 'Necrovalley' are not on the field, destroy this card" does not start a Chain. (This effect is applied immediately when either a "Gravekeeper's" monster or "Necrovalley" is no longer on the field and both are no longer present. This also applies during the Damage Step.)
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