Serperior (M) @ Life Orb  
Ability: Contrary  
Shiny: Yes  
EVs: 28 Def / 200 SpA / 28 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Dragon Pulse  
- Glare  
- Leaf Storm  

Darmanitan (M) @ Choice Scarf  
Ability: Sheer Force  
Shiny: Yes  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Flare Blitz  
- Superpower  
- U-turn  
- Zen Headbutt  

Nihilego @ Poisonium Z  
Ability: Beast Boost  
Shiny: Yes  
EVs: 240 SpA / 16 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Acid Spray  
- Power Gem  
- Sludge Wave  
- Toxic Spikes  

Gliscor (M) @ Toxic Orb  
Ability: Poison Heal  
Shiny: Yes  
EVs: 252 Atk / 240 Def / 16 Spe  
Impish Nature  
- Facade  
- Ice Fang  
- Roost  
- Swords Dance  

Suicune @ Leftovers  
Ability: Pressure  
Shiny: Yes  
EVs: 252 Def / 16 SpA / 240 SpD  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Roar  
- Scald  
- Substitute  

Aggron-Mega (M) @ Aggronite  
Ability: Sturdy  
Shiny: Yes  
EVs: 16 HP / 240 Atk / 252 Def  
Impish Nature  
- Avalanche  
- Heavy Slam  
- Roar  
- Stealth Rock