Swaps the Strums -
 Value 1:
   'off' for default
   'on' to Swap the Strums
   'swap' to Swap- ...swap them
 Value 2:                  (changes only when used)
   'full' for both strums to have fully opaque
   'opponent' or 'player' to have it be not transparent
Quick Note: Swaps once the base event is used!