If it were me, I'd scrap the Cyclone, ER2's, a C-Cat and a Swoop, in oprder to replace with a 2-1-2 of either RR Kingdra, or Pidgeot. Then fill up the last three gaps another Croconaw and TeCHy trainers, like ATM Rock (useful with Tsunami) and Crystal Shard/Curse Powder.