Gengar-Mega @ Gengarite  
Ability: Cursed Body  
Level: 50  
EVs: 188 HP / 68 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Will-O-Wisp  
- Perish Song  
- Protect  

Garchomp @ Choice Scarf  
Ability: Rough Skin  
Level: 50  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Outrage  
- Earthquake  
- Rock Slide  
- Stealth Rock  

Celesteela @ Aguav Berry  
Ability: Beast Boost  
Level: 50  
EVs: 252 HP / 4 Atk / 132 Def / 92 SpD / 28 Spe  
Impish Nature  
- Heavy Slam  
- Flamethrower  
- Leech Seed  
- Protect  

Tapu Fini @ Leftovers  
Ability: Misty Surge  
Level: 50  
EVs: 252 HP / 196 Def / 60 Spe  
Bold Nature  
IVs: 0 Atk  
- Surf  
- Moonblast  
- Calm Mind  
- Reflect  

Thundurus-Therian @ Sitrus Berry  
Ability: Volt Absorb  
Level: 50  
EVs: 236 HP / 4 Def / 4 SpA / 236 SpD / 28 Spe  
Modest Nature  
IVs: 0 Atk  
- Thunderbolt  
- Hidden Power [Ice]  
- Volt Switch  
- Taunt  

Heatran @ Firium Z  
Ability: Flash Fire  
Level: 50  
EVs: 4 HP / 4 Atk / 252 SpA / 12 SpD / 236 Spe  
Hasty Nature  
- Overheat  
- Flash Cannon  
- Flame Charge  
- Toxic