Castle Walls - SDK-A049 - Common - 1st Edition Tweet Out of stock. Wishlist Details Card Rules: Rulings powered by The Netrep API. You choose the monster to receive the DEF increase when you activate this card. This card targets. If you activate two 'Castle Walls' on the same monster, its DEF increases by 1000. Passcode: 44209392 Set: Starter Deck Kaiba Card Number: SDK-A049 Rarity: Common Attribute: Trap Card Text: Increase a selected monster's DEF by 500 points during the turn this card is activated. Card Type: Normal Trap Name: Castle Walls Edition: 1st
