Cybernetic Hidden Technology

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.

Type

Continuous Trap

Monster type

Continuous

Archetype

Cyber Dragon

Ban list (TCG)

Unlimited