■ Shield Trigger (When this spell is put into your hand from your shield zone , you may cast it immediately for no cost .)

■ Choose one of your opponent 's creatures . That creature gets -2000 power until the end of the turn . If you have a creature that has 6000 or more power in the battle zone , the chosen creature gets -6000 power instead . (A creature that has power 0 or less is destroyed .)