Lockout Gardna

Kartentext

When an opponent's monster declares a direct attack: You can Special Summon this card from your hand in Attack Position, and if you do, it cannot be destroyed by battle this turn. When an effect of a monster your opponent controls is activated that targets 1 Cyberse monster you control (and no other cards) (Quick Effect): You can negate the effects of both that Cyberse monster you control and that opponent's monster until the end of this turn.