Garchomp (M) @ Dragonium Z  
Ability: Rough Skin  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Earthquake  
- Outrage  
- Swords Dance  
- Stealth Rock  

Alakazam-Mega (M) @ Alakazite  
Ability: Magic Guard  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Focus Blast  
- Energy Ball  
- Taunt  

Keldeo @ Leftovers  
Ability: Justified  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Scald  
- Secret Sword  
- Calm Mind  
- Substitute  

Reuniclus (M) @ Colbur Berry  
Ability: Magic Guard  
EVs: 252 HP / 240 Def / 16 SpA  
Modest Nature  
IVs: 0 Atk  
- Psychic  
- Signal Beam  
- Calm Mind  
- Recover  

Nihilego @ Focus Sash  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Power Gem  
- Hidden Power [Fire]  
- Toxic Spikes  
- Stealth Rock  

Celesteela @ Assault Vest  
Ability: Beast Boost  
EVs: 224 HP / 248 Atk / 36 Spe  
Adamant Nature  
- Heavy Slam  
- Earthquake  
- Flamethrower  
- Explosion