Wall of Stone (Retro) [30th Anniversary Edition] Commander 2013 Whenever a basic land is

Whenever a basic land is tapped for mana of the chosen color

this unique mechanism extracts power from a carefully prepared gemstone

Set: The List Type: Sorcery Rarity: Uncommon Cost: {1}{B} Target player discards two cards

Set: Secret Lair Drop Series Type: Creature — Sphinx Rarity: Rare Cost: {4}{U}{U} Flying

Dragon Shield mini-adventure

Wall of Stone (Retro) [30th Anniversary Edition] Commander 2013 Whenever a basic land isSet: 30th Anniversary Edition 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.