Pinsir-Mega @ Pinsirite  
Ability: Aerilate  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Return  
- Close Combat / Stone Edge
- Quick Attack

Garchomp @ Life Orb
Ability: Rough Skin
EVs: 152 Atk / 104 SpA / 252 Spe
Hasty Nature
Stealth Rock
Earthquake
Stone Edge / Fire Blast
Draco Meteor

Thundurus-Therian (M) @ Leftovers  
Ability: Volt Absorb  
Hidden Power: Ice  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk / 30 Def  
- Nasty Plot  
- Focus Blast  
- Thunderbolt  
- Hidden Power [Ice]