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://paradoxtcg.com/cdn/shop/products/ygo_placeholder_8855f4e8-b6ab-4110-a66d-3a80e3d2701f.png?v=1708641021&width=1445)
