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

Greninja (M) @ Life Orb  
Ability: Protean  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
IVs: 0 Atk  
- Hydro Pump  
- Hidden Power [Fire]  
- Ice Beam  
- Spikes  

Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 248 HP / 28 Def / 224 SpA / 8 SpD  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Pain Split  
- Fleur Cannon  
- Thunderbolt  

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

Tapu Koko @ Shuca Berry  
Ability: Electric Surge  
EVs: 32 HP / 92 Def / 168 SpA / 216 Spe  
Timid Nature  
- Hidden Power [Ice]  
- Thunderbolt  
- U-turn  
- Taunt  

Chansey @ Eviolite  
Ability: Natural Cure  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
- Seismic Toss  
- Toxic  
- Wish  
- Soft-Boiled