Cavern of Souls [Ultimate Masters] DP37 Set: Exodus Type: Enchantment Rarity:

Set: Exodus Type: Enchantment Rarity: Rare Cost: {2}{U}{U}{U}{U} Discard a card: You may tap or untap target artifact

a macabre monument to the Basilisk's power

Set: HeartGold & SoulSilver: Call of Legends Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

"Woven together

if Tombstone Stairwell is on the battlefield

Cavern of Souls [Ultimate Masters] DP37 Set: Exodus Type: Enchantment Rarity:Set: 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.