Gengar-Mega @ Toxic Plate 
Ability: Parental Bond 
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe 
Timid Nature 
IVs: 0 Atk 
- Shell Smash 
- Judgment 
- Moongeist Beam 
- Secret Sword 

Audino-Mega @ Shed Shell 
Ability: Wonder Guard 
EVs: 248 HP / 252 Def / 252 SpD / 252 Spe 
Bold Nature 
IVs: 0 Atk 
- Aromatherapy 
- Magic Coat 
- King's Shield 
- Wish 

Rayquaza-Mega @ Sharp Beak 
Ability: Aerilate 
EVs: 248 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe 
Naughty Nature 
- Fake Out 
- Extreme Speed 
- Freeze-Dry 
- Moonblast 

Groudon-Primal @ Safety Goggles 
Ability: Mold Breaker 
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe 
Jolly Nature 
- Stealth Rock 
- Shore Up 
- Shell Smash 
- V-create 

Yveltal @ Choice Scarf 
Ability: Pure Power 
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe 
Jolly Nature 
- Knock Off 
- Trick 
- Pursuit 
- Dragon Ascent 

Slowbro-Mega @ Safety Goggles 
Ability: Wonder Guard 
EVs: 248 HP / 252 Def / 252 SpD / 252 Spe 
Bold Nature 
- Strength Sap 
- Shore Up 
- Defog 
- U-turn