SPEED NEUTRALIZER (Or some type of better name)
Speed effects are nullified. SLOW, SWIFTNESS, AND summoner speed effects have no effect in the battle.
I think this would be an awesome new rule set because it will allow cards that are somewhat unplayable due to low speed or an awkward speed (3/4 speed) to still be utilized. It would also make it so certain summoners would be useless and maybe allow other summoners to shine in the ruleset.