Necrovalley is a Ultra Rare (Pharaoh's Rare) Spell Card card from Yu-Gi-Oh! (Magnificent Mavens, MAMA). Current market price: $0.54.
Ultra Rare (Pharaoh's Rare)
Magnificent Mavens (MAMA)
Card Text
All "Gravekeeper's" monsters gain 500 ATK and DEF. Cards in the Graveyard cannot be banished. Negate any card effect that would move a card in the Graveyard to a different place. Negate any card effect that changes Types or Attributes in the Graveyard.
