Aggron @ Choice Band  
Ability: Rock Head  
EVs: 128 HP / 252 Atk / 128 Spe  
Adamant Nature  
- Head Smash  
- Heavy Slam  
- Earthquake  
- Fire Punch  

Comfey @ Babiri Berry  
Ability: Triage  
EVs: 248 HP / 8 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Draining Kiss  
- Giga Drain  
- Hidden Power [Fire]  

Latias @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Ice Beam  
- Healing Wish  
- Trick  

Blastoise-Mega @ Blastoisinite  
Ability: Mega Launcher  
EVs: 104 HP / 252 SpA / 152 Spe  
Modest Nature  
IVs: 0 Atk  
- Ice Beam  
- Scald  
- Dark Pulse  
- Rapid Spin  

Chesnaught @ Rocky Helmet  
Ability: Bulletproof  
EVs: 244 HP / 252 Def / 12 Spe  
Impish Nature  
- Spikes  
- Wood Hammer  
- Toxic  
- Synthesis  

Marowak-Alola @ Thick Club  
Ability: Lightning Rod  
EVs: 96 HP / 248 Atk / 164 Spe  
Adamant Nature  
- Stealth Rock  
- Will-O-Wisp  
- Shadow Bone  
- Fire Punch