Aegislash @ Leftovers  
Ability: Stance Change  
Tera Type: Water  
EVs: 248 HP / 8 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Shadow Ball  
- Toxic  
- Substitute  
- King's Shield  

Altaria-Mega @ Altarianite  
Ability: Natural Cure  
Happiness: 0  
EVs: 248 HP / 208 Atk / 36 SpD / 16 Spe  
Adamant Nature  
- Frustration  
- Earthquake  
- Will-O-Wisp  
- Roost  

Gastrodon @ Leftovers  
Ability: Storm Drain  
Tera Type: Dark  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Scald  
- Toxic  
- Recover  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Bleakwind Storm  
- Focus Blast  
- Taunt  

Kartana @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Sacred Sword  
- Knock Off  
- Defog  

Zamazenta @ Rocky Helmet  
Ability: Dauntless Shield  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Iron Defense  
- Body Press  
- Sleep Talk  
- Rest