Gyarados-Mega @ Gyaradosite  
Ability: Mold Breaker  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Crunch  
- Waterfall  
- Substitute  
- Dragon Dance  

Terrakion @ Life Orb  
Ability: Justified  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Close Combat  
- Stone Edge  
- Substitute  
- Swords Dance  

Thundurus (M) @ Rocky Helmet  
Ability: Prankster  
Happiness: 0  
EVs: 8 HP / 160 Def / 88 SpA / 252 Spe  
Timid Nature  
- Volt Switch  
- Hidden Power [Ice]  
- Knock Off  
- Thunder Wave  

Cresselia (F) @ Rocky Helmet  
Ability: Levitate  
EVs: 248 HP / 92 Def / 168 SpD  
Calm Nature  
IVs: 0 Atk  
- Psychic  
- Moonlight  
- Lunar Dance  
- Toxic  

Serperior @ Lum Berry  
Ability: Contrary  
Shiny: Yes  
EVs: 72 HP / 156 SpA / 20 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk / 30 SpA / 30 Spe  
- Leaf Storm  
- Hidden Power [Fire]  
- Taunt  
- Glare  

Excadrill @ Leftovers  
Ability: Mold Breaker  
EVs: 32 HP / 36 Atk / 56 Def / 132 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Iron Head  
- Stealth Rock  
- Rapid Spin