Wall of Stone [Limited Edition Beta] San Diego Comic-Con 2013 When this card is flipped

When this card is flipped face-up

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

"Dark Burning Attack"

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

Wall of Stone [Limited Edition Beta] San Diego Comic-Con 2013 When this card is flippedSet: 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.