Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 8 Atk / 252 SpD  
Careful Nature  
- Sacred Fire  
- Brave Bird  
- Recover  
- Whirlwind  

Sinistcha @ Manectite  
Ability: Heatproof  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Matcha Gotcha  
- Shadow Ball  
- Calm Mind  
- Strength Sap  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 252 HP / 184 Def / 72 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Power Gem  
- Stealth Rock  
- Recover  

Regieleki @ Altarianite  
Ability: Transistor  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naughty Nature  
- Explosion  
- Extreme Speed  
- Volt Switch  
- Rapid Spin  

Magearna @ Dragalgite  
Ability: Soul-Heart  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Ice Beam  
- Focus Blast  
- Volt Switch  
- Spikes  

Milotic @ Chimechite  
Ability: Competitive  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Mirror Coat  
- Recover  
- Haze