Rain Sweeper (Swampert-Mega) @ Swampertite  
Ability: Swift Swim  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Wave Crash/Crabhammer/Aqua Step  
- Magical Torque/Dragon Darts/Knock Off  
- Swords Dance/Tidy Up/Dragon Dance  
- Strength Sap/Taunt