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

Greninja @ Choice Specs  
Ability: Battle Bond  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Surf  
- Dark Pulse  
- Water Shuriken  
- Spikes  

Nihilego @ Life Orb  
Ability: Beast Boost  
EVs: 80 Def / 176 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Power Gem  
- Sludge Wave  
- Grass Knot  
- Thunderbolt  

Blacephalon @ Ghostium Z  
Ability: Beast Boost  
EVs: 232 HP / 4 Def / 20 SpA / 252 Spe  
Timid Nature  
- Flamethrower  
- Shadow Ball  
- Substitute  
- Calm Mind  

Landorus-Therian (M) @ Focus Sash  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Explosion  
- Swords Dance  
- Stealth Rock  

Serperior @ Rocky Helmet  
Ability: Contrary  
EVs: 112 HP / 144 SpA / 252 Spe  
Timid Nature  
IVs: 1 Atk  
- Leaf Storm  
- Hidden Power [Fire]  
- Taunt  
- Glare