Medicham-Mega @ Medichamite  
Ability: Pure Power  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Fake Out  
- High Jump Kick  
- Ice Punch  
- Zen Headbutt  

Landorus-Therian (M) @ Rocky Helmet  
Ability: Intimidate  
EVs: 252 HP / 112 Def / 144 Spe  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Stone Edge  
- U-turn  

Serperior @ Leftovers  
Ability: Contrary  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Leaf Storm  
- Glare  
- Hidden Power [Fire]  
- Substitute  

Heatran @ Steelium Z  
Ability: Flash Fire  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Flash Cannon  
- Taunt  

Gastrodon (M) @ Leftovers  
Ability: Storm Drain  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Recover  
- Scald  
- Toxic  
- Earthquake  

Kommo-o @ Kommonium Z  
Ability: Bulletproof  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Clanging Scales  
- Drain Punch  
- Close Combat  
- Poison Jab