A mutable rule's life span may never exceed 8 turns. Rule Changes . Rules may not be changed, except as stated by the immutable rules. Death is the process of a mutable rule being removed from the ruleset. Each turn the player may perform exactly one action on exactly one rule.
Transmutation is the process of renumbering an immutable rule.
The transmuted rule loses its old rule number, and gains a number greater than or equal to twenty, which is not the number of an already existing rule. An immutable rule cannot be transmuted if there exists another immutable rule with a greater number. Mutation is the process where the player replaces up to 4 consecutive words or 2 non-consecutive words in a mutable rule with from zero to 8 other words. Subsumption is the process of a mutable rule appending the text of another mutable rule to its own text. The mutable rule that has been subsumed is subject to death.