Greninja (M) @ Life Orb  
Ability: Protean  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Taunt  
- Toxic Spikes  
- Ice Beam  
- Grass Knot  

Mimikyu @ Focus Sash  
Ability: Disguise  
EVs: 252 Atk / 252 Spe  
Jolly Nature  
- Destiny Bond  
- Swords Dance  
- Shadow Sneak  
- Play Rough  

Garchomp (M) @ Leftovers  
Ability: Rough Skin  
EVs: 252 Atk / 108 Def / 148 SpD  
Adamant Nature  
- Dragon Tail  
- Swords Dance  
- Iron Head  
- Earthquake  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
IVs: 0 Spe  
- Stealth Rock  
- Leech Seed  
- Gyro Ball  
- Substitute  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Insomnia  
EVs: 40 Def / 216 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psystrike  
- Thunderbolt  
- Ice Beam  
- Fire Blast  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Close Combat  
- Spectral Thief  
- Ice Punch  
- Shadow Sneak