Aggron-Mega @ Aggronite  
Ability: Filter  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Stealth Rock  
- Heavy Slam  
- Fire Punch  
- Avalanche  

Sylveon @ Leftovers  
Ability: Pixilate  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Hyper Voice  
- Wish  
- Protect  
- Heal Bell  

Chandelure @ Choice Specs  
Ability: Infiltrator  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Trick  
- Fire Blast  
- Energy Ball  

Latias @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Draco Meteor  
- Healing Wish  
- Defog  

Haxorus @ Dragonium Z  
Ability: Mold Breaker  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Outrage  
- Poison Jab  
- Earthquake  

Suicune @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 40 Def / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Protect  
- Scald  
- Calm Mind