Cavern of Souls (Topper) [Ultimate Masters Box Topper] European Land Program we must first have recourse

we must first have recourse to death

For each card exiled this way

Set: Mirrodin Type: Creature — Human Wizard Rarity: Rare Cost: {1}{U}{U} At the beginning of each opponent's upkeep

put this card into your hand as it resolves

Set: Urza's Saga Type: Legendary Land Rarity: Rare {T}: Add {C}

Cavern of Souls (Topper) [Ultimate Masters Box Topper] European Land Program we must first have recourseSet: Ultimate Masters Box Topper 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.