When your opponent activates a card or effect that targets this face-down monster (Quick Effect): You can change this card to face-up Defense Position; negate the activation, and if you do, destroy it. If this card is flipped face-up, negate the activated effects of face-up monsters your opponent controls while this card is face-up on the field. If this card on the field is destroyed by battle or card effect: You can add 1 Level 9 monster with a different original Attribute and Type from this card’s from your Deck to your hand. You can only use this effect of "Deus X-Krawler" once per turn.
