When an opponent's monster declares an attack: You can send to the Graveyard 1 "Cyber Dragon" you control, or 1 Fusion Monster you control that lists "Cyber Dragon" as a Fusion Material Monster, then target the attacking monster; destroy that target.
![Cybernetic Hidden Technology [SDCR-EN030] Common](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/febd0135-e834-59fe-8f9f-c8458d0424f3.png?v=1698552682&width=1445)