Fabio (Ampharos-Mega) @ Ampharosite  
Ability: Static  
EVs: 248 HP / 252 SpA / 8 SpD  
Modest Nature  
IVs: 0 Atk  
- Thunderbolt  
- Focus Blast  
- Dragon Pulse  
- Hidden Power [Steel]  

Deoxys-Defense @ Mental Herb  
Ability: Pressure  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk  
- Stealth Rock  
- Magic Coat  
- Spikes  
- Trick Room  

Stakataka @ Groundium Z  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Lonely Nature  
IVs: 15 Def / 0 Spe  
- Gyro Ball  
- Earthquake  
- Rock Slide  
- Trick Room  

Serperior @ Choice Scarf  
Ability: Contrary  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Hidden Power [Fire]  
- Dragon Pulse  
- Glare  

Talonflame @ Heavy-Duty Boots  
Ability: Gale Wings  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Defog  
- Flare Blitz  
- Brave Bird  
- U-turn  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk  
- Toxic  
- Haze  
- Recover  
- Scald