Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
Level: 50  
EVs: 252 HP / 140 Def / 52 SpA / 20 SpD / 44 Spe  
Modest Nature  
IVs: 0 Atk  
- Psychic  
- Hyper Voice  
- Trick Room  
- Protect  

Araquanid @ Waterium Z  
Ability: Water Bubble  
EVs: 252 HP / 212 Atk / 36 Def / 4 SpD / 4 Spe  
Adamant Nature  
- Liquidation  
- Substitute  
- Wide Guard  
- Protect  

Naganadel @ Focus Sash  
Ability: Beast Boost  
Level: 50  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Sludge Bomb  
- Nasty Plot  
- Protect  

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

Hitmontop (M) @ Eject Button  
Ability: Intimidate  
Level: 50  
EVs: 236 HP / 52 Atk / 132 Def / 52 SpD / 36 Spe  
Careful Nature  
- Close Combat  
- Fake Out  
- Wide Guard 
- Helping Hand  

Hydreigon @ Darkinium Z  
Ability: Levitate  
Level: 50  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dark Pulse  
- Flamethrower  
- Tailwind  
- Protect