Gravekeeper's Assailant [Structure Deck: Marik] [SDMA-EN013]

Set: Structure Deck: Marik Card type: Effect Monster Rarity: Common Attack: 1500 Defense: 1500 You cannot activate this card's effect unless Necrovalley is on the field. When this card declares an attack, you can change the battle position of 1 face-up monster on your opponent's side of the field.