Toxapex @ Gyaradosite  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
- Toxic  
- Toxic Spikes  
- Recover  
- Payback  

Zygarde @ Lucarionite  
Ability: Aura Break  
EVs: 188 HP / 148 Atk / 172 Spe  
Adamant Nature  
- Dragon Dance  
- Thousand Arrows  
- Substitute  
- Pain Split  

Slowbro @ Sablenite  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Scald  
- Ice Beam  
- Slack Off  

Magearna @ Latiasite  
Ability: Soul-Heart  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Volt Switch  
- Heart Swap  
- Pain Split  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 252 HP / 132 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Recover  
- Defog  

Ho-Oh @ Choice Scarf  
Ability: Regenerator  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Brave Bird  
- Sacred Fire  
- Flamethrower  
- Earthquake