Hippowdon (F) @ Icium Z  
Ability: Sand Stream  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
IVs: 0 SpA  
- Stealth Rock  
- Earthquake  
- Stockpile  
- Toxic  

Whimsicott (F) @ Fairium Z  
Ability: Prankster  
Shiny: Yes  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Nature Power  
- Hyper Beam  
- Tailwind  
- Light Screen  

Tapu Fini @ Tapunium Z  
Ability: Misty Surge  
EVs: 248 HP / 164 Def / 96 SpD  
Calm Nature  
IVs: 0 Atk  
- Haze  
- Nature's Madness  
- Scald  
- Defog  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
IVs: 0 SpA  
- Brave Bird  
- U-turn  
- Quick Attack  
- Psych Up  

Kartana @ Steelium Z  
Ability: Beast Boost  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
IVs: 0 SpA  
- Giga Impact  
- Leaf Blade  
- Sacred Sword  
- Swords Dance  

Dragonite (M) @ Dragonium Z  
Ability: Multiscale  
EVs: 248 HP / 68 Atk / 176 SpD / 16 Spe  
Careful Nature  
IVs: 0 SpA  
- Focus Punch  
- Substitute  
- Thunder Wave  
- Haze