Wall of Stone [Revised Edition] SPA Mar de Mercurio ) At the beginning of

) At the beginning of combat on your turn

" —Taigam

Set: Shards of Alara Type: Creature — Bird Cleric Common Cost: {4}{W} Flying When Welkin Guide enters the battlefield

sacrifice it unless you return an untapped Swamp you control to its owner's hand

Set: Odyssey Type: Creature — Dwarf Rare Cost: {3}{R} {1}{R}

Wall of Stone [Revised Edition] SPA Mar de Mercurio ) At the beginning ofSet: Revised Edition Type: Creature Wall 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.