Take away Cut, Iron tail and Giga drain from Sceptile and teach it Dragon Claw and some other Special attacks, or Substitute.
Take away Ember and Blaze Quick, use Earthquake and Bulk Up
Take away Muddy water, use Return or Substitute.
Take away all of Swellow's moves but AA, and teach it Return, Facae and Sleep Talk
Take away Azumarril altogether, it doesn't work in RSE. If you want to use it, teach it Sub and Focus Punch.
Salamence goes with lots of sets, try to use Earthquake, Rock Slide, Aerial Ace and a filler move.