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As an additional cost to cast this spell, reveal a colorless creature card from your hand. Exile each creature and planeswalker with mana value less than the revealed card's mana value.
Abilities, attacks, weakness & resistance
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Wastes
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Calamity of the Titans (CMM 713) is a rare sorcery from the Commander Masters set that requires revealing a colorless creature card as an additional cost. Its effect exiles each creature and planeswalker with mana value less than the revealed card's mana value. The revealed card's mana value is used even if that card is no longer in hand as the spell resolves, and the card stays revealed while Calamity of the Titans is on the stack.
Catalog pricing data as of 3 May 2026, 09:45