Codebreaker Zero Day

All Link Monsters pointing to this card lose 1000 ATK, except "Codebreaker" Link Monsters. If a "Codebreaker" Link Monster(s) on the field is destroyed by battle or card effect, while this card is on the field: Destroy this card. If this card is destroyed by battle or card effect: You can add 1 "Codebreaker Zero Day" from your Deck to your hand.

Warrior DARK Effect Monster 4 effect