Porygon2 @ Eviolite  
Ability: Download  
EVs: 248 HP / 112 Def / 132 SpA / 16 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Ice Beam  
- Thunderbolt  
- Trick Room  
- Recover  

Volcanion @ Safety Goggles  
Ability: Water Absorb  
EVs: 248 HP / 252 SpA / 8 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Steam Eruption  
- Heat Wave  
- Earth Power  
- Protect  

Mew @ Rocky Helmet  
Ability: Synchronize  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
- Will-O-Wisp  
- Spikes  
- Pollen Puff  
- Fake Out  

Landorus-Therian (M) @ Sitrus Berry  
Ability: Intimidate  
EVs: 240 HP / 84 Def / 12 SpA / 20 SpD / 152 Spe  
Timid Nature  
- Earth Power  
- Toxic  
- U-turn  
- Stealth Rock  

Rillaboom @ Assault Vest  
Ability: Grassy Surge  
EVs: 248 HP / 44 Atk / 176 SpD / 40 Spe  
Adamant Nature  
- Fake Out  
- Grassy Glide  
- Wood Hammer  
- U-turn  

Stakataka @ Focus Sash  
Ability: Beast Boost  
EVs: 248 HP / 252 Atk / 8 SpD  
Lonely Nature  
IVs: 14 Def / 0 Spe  
- Gyro Ball  
- Rock Slide  
- Trick Room  
- Wide Guard