Cavern of Souls (0410b) (Borderless) [The Lost Caverns of Ixalan] Monarch Set: Return to Ravnica Type:

Set: Return to Ravnica Type: Enchantment — Aura Rarity: Uncommon Cost: {1}{W} Enchant nonland permanent

that player gets three poison counters

if your opponent has 8 or more cards in their hand or this Digimon has 3 or more digivolution cards

or to be buried alive

Cavern of Souls (0410b) (Borderless) [The Lost Caverns of Ixalan] Monarch Set: Return to Ravnica Type:Set: The Lost Caverns of Ixalan 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.