Ultimate Masters (uma) | ||
| #237 ⸱ Mythic ⸱ English | ||
 Variations— Parts— | Cavern of SoulsAs this land enters, choose a creature type.  : Add  .: 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.
LegalitiesLegal Alchemy Brawl Commander Explorer Future Gladiator Historic Legacy Modern Oathbreaker Pioneer Standard Standardbrawl Timeless Vintage Banned Duel Not Legal Oldschool Pauper Paupercommander Penny Predh Premodern RulingsYou must choose an existing creature type, such as Human or Warrior. Card types such as artifact can't be chosen.
The spell can't be countered if the mana produced by Cavern of Souls is spent to cover any cost of the spell, even an additional cost such as a kicker cost. This is true even if you use the mana to pay an additional cost while casting a spell "without paying its mana cost."
The spell can't be countered if the mana produced by Cavern of Souls is spent to cover any cost of the spell, even an additional cost such as a kicker cost. This is true even if you use the mana to pay an additional cost while casting a spell "without paying its mana cost."
You must choose an existing creature type, such as Human or Warrior. Card types such as artifact can't be chosen.
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