The activation and effects of "Altergeist" cards activated on your field cannot be negated. When your opponent activates a monster effect: You can send 1 other face-up "Altergeist" card you control to the GY; Negate the activation, and if you do, destroy it. You can only use this effect of "Altergeist Protocol" once per turn.
![Altergeist Protocol [MZMI-EN068] Rare](http://www.dungeonsandjavas.com/cdn/shop/products/ygo_placeholder_3328cf25-4046-468c-9f3e-48bd95201470.png?v=1708641111&width=1445)
