Necrovalley Temple [SOFU-EN068] RareSet: Soul Fusion Card type: Continuous Trap Rarity: Rare While a Gravekeeper's monster(s) and Necrovalley are on the field, all monsters your opponent controls lose 500 ATK DEF. Once per turn, during the Main Phase, if you do not control a card in your Field Zone: You can activate 1 Necrovalley from your hand or GY. If this card in your possession is destroyed by an opponent's card effect and sent to your GY: You can Set 1 Necrovalley Spell Trap