Necrovalley [Structure Deck: Marik] [SDMA-EN025]

Set: Structure Deck: Marik Card type: Field Spell Card Rarity: Common All Gravekeeper's monsters gain 500 ATK and DEF. Cards in either player's Graveyard cannot be banished. Cards in either player's Graveyard cannot be affected by card effects, except for their own effects. (Red text indicates errata.)