Mutant May is an art challenge inspired by Multi May, utilizing the same concept, but adding additional features such as removing or altering body parts.
The ruleset for this can be quite convoluted since there are many variables to consider when rolling, which is why this web version does the rolling for you.
In some cases, you may be asked remove, transform, or enlarge a body part not currently on your character. In these cases I recommend rerolling as
there is currently no way to input what body parts your character currently has. There are plans to change this in the future.