Use HBasculin to put Kyogre and Squirtle on your bench, use rare candy to evolve into Blastoise, use Vitality Spring to stack energy on Kyogre and Blastoise, switch to Kyogre and spam Aqua Storm to nuke the bench, then switch to either HBasculegion or Blastoise to continue the nukes/restore your deck. Its Radiant Steelix strategy but with only water types!