IndisponibleAs long as this card remains face-up on the field, all effects of Magic, Trap and/or Effect Monsters that involve Graveyards are negated and neither player can remove cards in the Graveyards from play. In addition, increase the ATK and DEF of all monsters.Negate the effects of Spells, Traps and Effect Monsters that target a card(s) in either player's Graveyard. Cards in either player's Graveyard cannot be removed from play. All "Gravekeeper's" monsters gain 500 ATK and DEF.
