Castle Walls [YSD-EN033] Common Union/Effect Monster It cannot attack or activate

It cannot attack or activate its effects

WATER monsters you control cannot be destroyed by your opponent's card effects

Set: 2013 Zexal Collection Tin Card type: Quick Play Spell Rarity: Super Rare Attack: 0 Defense: 0 During the turn a "Gagaga" monster you control was destroyed by battle and sent to the Graveyard: Special Summon as many monsters from your Graveyard as possible that were destroyed by battle this turn

they become that Level until the end of this turn

Castle Walls [YSD-EN033] Common Union/Effect Monster It cannot attack or activateSet: Starter Deck 2006 Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Increase the DEF of 1 face up monster on the field by 500 points until the end of this turn.