Hidden Temples of Necrovalley - MAGO-EN087 - Rare - 1st Edition Tweet Details Passcode: 70000776 Set: Maximum Gold Card Number: MAGO-EN087 Rarity: Rare Card Text: 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. Card Type: Spell Name: Hidden Temples of Necrovalley Edition: 1st
