Cavern of Souls [Modern Masters 2017] Shadows over Innistrad Prerelease Promos that player draws an additional

that player draws an additional card

If that card has the chosen name

put one of those cards on top of your library and the rest on the bottom of your library in any order

The Earth herself lends her strength to these walls of living stone

If an effect causes you to discard a card

Cavern of Souls [Modern Masters 2017] Shadows over Innistrad Prerelease Promos that player draws an additionalSet: Modern Masters 2017 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.