Cavern of Souls [Ultimate Masters] Skeleton Wall Set: Commander 2016 Type: Enchantment

Set: Commander 2016 Type: Enchantment Rarity: Rare Cost: {G} Whenever an opponent plays a land

Set: Starter 1999 Type: Basic Land — Swamp Rarity: Common ({T}: Add {B}

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

" —Gerrard Capashen

Activate this ability only once each turn

Cavern of Souls [Ultimate Masters] Skeleton Wall Set: Commander 2016 Type: EnchantmentSet: 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.