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

Tapu Koko @ Magnet  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Thunderbolt  
- U-turn  
- Hidden Power [Ice]  
- Taunt  

Greninja @ Choice Scarf  
Ability: Protean  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Rock Slide  
- U-turn  
- Ice Beam  
- Gunk Shot  

Tangrowth @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Giga Drain  
- Knock Off  
- Hidden Power [Fire]  
- Earthquake  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 132 Def / 124 SpD  
Relaxed Nature  
- Leech Seed  
- Protect  
- Heavy Slam  
- Flamethrower  

Mew @ Leftovers  
Ability: Synchronize  
EVs: 252 HP / 144 Def / 112 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Will-O-Wisp  
- Soft-Boiled  
- Stealth Rock