![Gravekeeper's Assailant](http://nellyniftynautics.com/cdn/shop/products/20211112_021502_{width}x.jpg?v=1638337062)
If "Necrovalley" is on the field when this card declares an attack, you can select 1 face-up monster your opponent controls and change its battle position.
- Number:LCYW-EN189
- Rarity:Ultra Rare
- Attribute Monster Type/Card Type:DARK Spellcaster/Effect Monster
- Level:4
- A / D:1500 / 1500