Choose one or more of these to play for part of or the entirety of a match! The only limitations are what your opponent will agree to (aaand any paradoxes in the rules, so try to avoid contradictions).
Main Rulesets (These are normal rulesets, as opposed to the ones that aren't):
Mirror Rulesets (A subcategory of rulesets - always single battle, best of 3, with a mirror match):
Micro Formats (A subcategory of rulesets - always based on a tournament format):
Play Fair Rulesets (Versions of rulesets to be used by only one player in a match):
Here's a random selector!