Cavern of Souls (Topper) [Ultimate Masters Box Topper] Snow Artifact Creature Set: Urza's Saga Type: Creature

Set: Urza's Saga Type: Creature — Goblin Rarity: Uncommon Cost: {R} Whenever Goblin Lackey deals damage to a player

sacrifice this creature unless you pay {1}

Spring is the most beautiful season in the grove

put those cards onto the battlefield tapped

counter target spell with mana value X or less

Cavern of Souls (Topper) [Ultimate Masters Box Topper] Snow Artifact Creature Set: Urza's Saga Type: CreatureSet: 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.