Cavern of Souls (Topper) [Ultimate Masters Box Topper] Vraska the only caste that cannot

the only caste that cannot be attained by either heredity or money is that of the Hero

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {1} As Black Vise enters the battlefield

Each player who doesn't win the subgame loses half their life

"The Knowledge Pool knows

unleashing their fury as lightning and thunder

Cavern of Souls (Topper) [Ultimate Masters Box Topper] Vraska the only caste that cannotSet: 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.