Garchomp @ Rockium Z  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Stone Edge  
- Swords Dance  

Greninja @ Choice Scarf  
Ability: Protean  
EVs: 176 Atk / 80 SpA / 252 Spe  
Hasty Nature  
- Rock Slide  
- U-turn  
- Ice Beam  
- Spikes  

Landorus-Therian (M) @ Rocky Helmet  
Ability: Intimidate  
Hidden Power: Ice  
EVs: 252 HP / 112 Def / 144 Spe  
Impish Nature  
- Defog  
- Earthquake  
- Hidden Power [Ice]  
- U-turn  

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

Tapu Koko @ Choice Specs  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Thunderbolt  
- Dazzling Gleam  
- Volt Switch  
- Hidden Power [Ice]  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 248 HP / 224 SpD / 36 Spe  
Sassy Nature  
- Volt Switch  
- Fleur Cannon  
- Focus Blast  
- Iron Head