Cavern of Souls [Ultimate Masters] World Magic Cup Qualifiers Activate this ability only if

Activate this ability only if seven or more cards are in your graveyard

Shu General can't be blocked by more than one creature

Set: Limited Edition Alpha Type: Instant Common Cost: {U} You may tap or untap target artifact

Set: Zendikar Expeditions Type: Legendary Land Mythic Cost: {T}: Add {C}

Cavern of Souls [Ultimate Masters] World Magic Cup Qualifiers Activate this ability only ifSet: Ultimate Masters Type: Land Mythic Cost: 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.