Cavern of Souls (Topper) [Ultimate Masters Box Topper] Standardbrawl return that card to the

return that card to the battlefield under your control

Once guarded by the Knights of the Reliquary

you may look at the top X cards of your library

Let them be cast out

The songs of angels are perceived not as words in the ears but as stirrings in the soul

Cavern of Souls (Topper) [Ultimate Masters Box Topper] Standardbrawl return that card to theSet: 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.