Muk-Alola @ Black Sludge  
Ability: Poison Touch  
EVs: 248 HP / 116 Def / 136 SpD / 8 Spe  
Careful Nature  
- Rest  
- Block  
- Spite  
- Knock Off  

Kyurem @ Icium Z  
Ability: Pressure  
EVs: 56 HP / 76 Def / 128 SpA / 16 SpD / 232 Spe  
Timid Nature  
IVs: 0 Atk  
- Roost  
- Substitute  
- Endeavor  
- Ice Beam  

Swampert-Mega @ Swampertite  
Ability: Damp  
EVs: 240 HP / 216 Def / 52 Spe  
Impish Nature  
- Rest  
- Stealth Rock  
- Earthquake  
- Scald  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 16 Def / 240 SpD  
Calm Nature  
IVs: 0 Atk  
- Recover  
- Scald  
- Baneful Bunker  
- Haze  

Magearna @ Choice Scarf  
Ability: Soul-Heart  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Ice Beam  
- Volt Switch  
- Heal Bell  

Tornadus-Therian @ Rocky Helmet  
Ability: Regenerator  
EVs: 240 HP / 64 Def / 204 Spe  
Timid Nature  
- Defog  
- Hurricane  
- Heat Wave  
- U-turn