Cavern of Souls (0345) (Borderless) [The Lost Caverns of Ixalan] Chaos You can't remember a time

You can't remember a time when you didn't feel the pull of forgotten stories and buried secrets

Then that player loses all unspent mana and you add the mana lost this way

Riding coruscating thunderbolts

Sacrifice Hedron Archive: Draw two cards

"now you will pay for your treachery

Cavern of Souls (0345) (Borderless) [The Lost Caverns of Ixalan] Chaos You can't remember a timeSet: 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.