Shake the Cavern

Calamitous Cave In is a compact removal sorcery that scales with your Cave count. Cast it when you can leverage multiple Caves on the battlefield or a crowded graveyard and you turn landscape advantage into board clear. The card reads Calamitous Cave In deals X damage to each creature and each planeswalker, where X is the number of Caves you control plus the number of Cave cards in your graveyard which makes it predictable in midrange shells that want sweepers with repeatable upside.

In practice this is a tool card for decks that build around land synergies or recursion. Use it after a fetch or sacrifice sequence to maximize X. The interaction with planeswalkers is straightforward and reliable, so timing is important. The flavor fits Lost Caverns of Ixalan, where geological hazards answer overextended threats and reward careful table management.

Card Details:

• Mana Cost – {3}{R}
• Card Type – Sorcery
• Subtypes –
• Card Text / Rules Text (Printed) – Calamitous Cave In deals X damage to each creature and each planeswalker, where X is the number of Caves you control plus the number of Cave cards in your graveyard.
• Power / Toughness – N A