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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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Calamity of the Titans (CMM 745) is a rare sorcery from Commander Masters. As an additional cost to cast it you must reveal a colorless creature card from your hand and then exile 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 your hand when the spell resolves, per the official ruling.
Catalog pricing data as of 19 May 2026, 04:20