Beartic @ Choice Band  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Aqua Jet  
- Icicle Crash  
- Superpower  
- Rock Slide  

Swampert-Mega @ Swampertite  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Waterfall  
- Earthquake  
- Ice Punch  
- Superpower  

Pelipper @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 36 Def / 224 SpD  
Bold Nature  
- Roost  
- Defog  
- Scald  
- U-turn  

Magearna @ Fightinium Z  
Ability: Soul-Heart  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shift Gear  
- Calm Mind  
- Fleur Cannon  
- Focus Blast  

Ferrothorn (M) @ Iapapa Berry  
Ability: Iron Barbs  
EVs: 248 HP / 28 Def / 232 SpD  
Sassy Nature  
- Stealth Rock  
- Leech Seed  
- Power Whip  
- Protect  

Xurkitree @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder  
- Dazzling Gleam  
- Hidden Power [Ice]  
- Volt Switch