Swampert-Mega @ Swampertite  
Ability: Damp  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Waterfall  
- Earthquake  
- Flip Turn  
- Stealth Rock  

Pelipper @ Damp Rock  
Ability: Drizzle  
Tera Type: Dragon  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Spe  
- U-turn  
- Scald  
- Hurricane  
- Roost  

Manaphy @ Waterium Z  
Ability: Hydration  
Tera Type: Water  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Tail Glow  
- Surf  
- Rest  
- Psychic  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
Tera Type: Dragon  
EVs: 248 HP / 40 Def / 220 SpD  
Careful Nature  
- Leech Seed  
- Power Whip  
- Thunder Wave  
- Spikes  

Tornadus-Therian @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 244 HP / 48 SpD / 216 Spe  
Timid Nature  
- Hurricane  
- U-turn  
- Defog  
- Taunt  

Archaludon @ Assault Vest  
Ability: Stamina  
Tera Type: Dragon  
EVs: 76 HP / 252 SpA / 180 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Flash Cannon  
- Body Press  
- Electro Shot