Wall of Stone [Limited Edition Beta] San Diego Comic-Con 2013 (It can't be blocked except

(It can't be blocked except by artifact creatures and/or black creatures

Set: Metal Raiders Card type: Normal Trap Rarity: Ultra Rare Attack: 0 Defense: 0 You can only activate this card when your opponent's monster declares an attack

its ATK/DEF become equal to the original ATK/DEF of that equipped monster

if Clockwork Beast attacked or blocked this combat

Set: Platinum: Base Set Type: Trainer Rarity: Promo

Wall of Stone [Limited Edition Beta] San Diego Comic-Con 2013 (It can't be blocked exceptSet: Limited Edition Beta Type: Creature Wall Rarity: Uncommon Cost: {1}{R}{R} Defender (This creature can't attack.) The Earth herself lends her strength to these walls of living stone, which possess the stability of ancient mountains. These mighty bulwarks thwart ground based troops, providing welcome relief for weary warriors who defend the land.