Cavern of Souls (0410c) (Borderless) [The Lost Caverns of Ixalan] 152a Set: Mystery Booster Type: Artifact

Set: Mystery Booster Type: Artifact Rarity: Mythic Cost: {0} At the beginning of your upkeep

those tokens plus that many 1/1 green Squirrel creature tokens are created instead

three times that many of those tokens are created instead

and other popular characters from throughout the series

the night will find this place

Cavern of Souls (0410c) (Borderless) [The Lost Caverns of Ixalan] 152a Set: Mystery Booster Type: ArtifactSet: 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.