■ Castle —Choose one of your shields and attach this card to fortify that shield . When that fortified shield leaves your shields , put this card into your graveyard . (Use " Shield Trigger " abilities before putting this card into your graveyard .)

■ All your creatures in the battle zone break twice as many shields .

■ If the fortified shield isn't fortified by any other castles , whenever the fortified shield would be broken by your opponent 's creatures , you may return one of your other shields to your hand instead .