Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
Level: 50  
EVs: 204 HP / 196 Def / 44 SpA / 4 SpD / 60 Spe  
Modest Nature  
IVs: 0 Atk  
- Water Spout  
- Scald  
- Ice Beam  
- Protect  

Rayquaza-Mega @ Choice Band  
Ability: Delta Stream  
Level: 50  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- Extreme Speed  
- Crunch  
- Earthquake  

Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
Level: 50  
EVs: 92 HP / 4 Def / 4 SpA / 156 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Substitute  
- Disable  
- Protect  

Tapu Koko @ Life Orb  
Ability: Electric Surge  
Level: 50  
EVs: 28 HP / 20 Def / 204 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder  
- Volt Switch  
- Dazzling Gleam  
- Protect  

Incineroar @ Figy Berry  
Ability: Intimidate  
Level: 50  
EVs: 236 HP / 4 Atk / 4 Def / 236 SpD / 28 Spe  
Careful Nature  
- Flare Blitz  
- U-turn  
- Roar  
- Fake Out  

Whimsicott @ Fairium Z  
Ability: Prankster  
Level: 50  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Taunt  
- Tailwind  
- Encore