Shimmering Grotto [Innistrad] Exodus Promos Wall of Shadows can't be

Wall of Shadows can't be the target of spells that can target only Walls or of abilities that can target only Walls

Set: Theros Type: Creature — Skeleton Soldier Rarity: Common Cost: {B} {2}{B}: Regenerate Asphodel Wanderer

Set: Portal Type: Creature — Snake Rarity: Uncommon Cost: {3}{G} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

An opponent chooses one of them

Shimmering Grotto [Innistrad] Exodus Promos Wall of Shadows can't beSet: Innistrad Type: Land Rarity: Common {T}: Add {C}. {1}, {T}: Add one mana of any color. "This is the price of being last in the food chain. We must keep our places of beauty hidden away instead of displayed for all to see." Hildin, priest of Avacyn