Weavile @ Choice Band  
Ability: Pressure  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Icicle Crash  
- Ice Shard  
- Pursuit  
- Knock Off  

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

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

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 252 HP / 224 SpD / 32 Spe  
Sassy Nature  
- Fleur Cannon  
- Ice Beam  
- Iron Head  
- Volt Switch  

Manaphy @ Waterium Z  
Ability: Hydration  
EVs: 248 HP / 240 SpA / 20 Spe  
Modest Nature  
IVs: 0 Atk  
- Surf  
- Psychic  
- Rest  
- Tail Glow  

Tornadus-Therian (M) @ Rocky Helmet  
Ability: Regenerator  
EVs: 248 HP / 192 Spe  
Timid Nature  
- Hurricane  
- U-turn  
- Knock Off  
- Taunt