Latias-Mega @ Latiasite  
Ability: Levitate  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Thunder  
- Roost  
- Calm Mind  

Chansey @ Eviolite  
Ability: Natural Cure  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Seismic Toss  
- Soft-Boiled  
- Thunder Wave  

Hippowdon @ Icium Z  
Ability: Sand Stream  
EVs: 240 HP / 96 Atk / 124 Def / 48 SpD  
Impish Nature  
- Stealth Rock  
- Slack Off  
- Earthquake  
- Ice Fang  

Reuniclus @ Rocky Helmet  
Ability: Magic Guard  
EVs: 248 HP / 196 Def / 64 Spe  
Bold Nature  
IVs: 0 Atk  
- Focus Blast  
- Recover  
- Calm Mind  
- Psyshock  

Skarmory @ Rocky Helmet  
Ability: Sturdy  
EVs: 252 HP / 232 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Roost  
- Counter  
- Whirlwind  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Recover  
- Toxic Spikes  
- Haze