Cavern of Souls [Ultimate Masters] Skeleton Wall Activate this ability only once

Activate this ability only once each turn

Set: Eighth Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target permanent by replacing all instances of one color word with another or one basic land type with another

Simic mages create redundant backups of their experiments to reduce the consequences of catastrophe

" —Gerrard Capashen

"If Heaven has placed it in your hands

Cavern of Souls [Ultimate Masters] Skeleton Wall Activate this ability only onceSet: Ultimate Masters Type: Land Rarity: Mythic As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.