Gyarados @ Gyaradosite  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Substitute  
- Waterfall  
- Earthquake  

Serperior @ Rocky Helmet  
Ability: Contrary  
EVs: 208 HP / 48 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Glare  
- Taunt  
- Defog  
- Leaf Storm  

Greninja (M) @ Focus Sash  
Ability: Protean  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Spikes  
- Hydro Pump  
- Hidden Power [Fire]  
- Taunt  

Victini @ Choice Scarf  
Ability: Victory Star  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- V-create  
- U-turn  
- Final Gambit  
- Bolt Strike  

Excadrill @ Focus Sash  
Ability: Mold Breaker  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Toxic  
- Rapid Spin  

Magearna @ Electrium Z  
Ability: Soul-Heart  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shift Gear  
- Thunderbolt  
- Ice Beam  
- Fleur Cannon