Serperior @ Leftovers  
Ability: Contrary  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Glare  
- Hidden Power [Fire]  
- Synthesis  

Mimikyu @ Red Card  
Ability: Disguise  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Play Rough  
- Shadow Claw  
- Shadow Sneak  

Blacephalon @ Ghostium Z  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Taunt  
- Shadow Ball  
- Fire Blast  

Latias-Mega @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder Wave  
- Recover  
- Defog  
- Psychic  

Kommo-o @ Leftovers  
Ability: Bulletproof  
EVs: 252 HP / 4 SpD / 252 Spe  
Jolly Nature  
- Drain Punch  
- Toxic  
- Stealth Rock  
- Taunt  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 24 Def / 232 SpD  
Careful Nature  
- Heavy Slam  
- Leech Seed  
- Protect  
- Flamethrower