Beedrill-Mega @ Black Sludge  
Ability: Wonder Guard  
EVs: 252 HP / 4 SpD / 252 Spe  
Jolly Nature  
- Taunt  
- Spikes  
- Will-O-Wisp  
- U-turn  

Groudon-Primal @ Choice Scarf  
Ability: Shadow Tag  
EVs: 40 HP / 252 Atk / 216 Spe  
Jolly Nature  
- V-create  
- Thousand Arrows  
- Trick  
- Spikes  

Gengar-Mega @ Spooky Plate  
Ability: Mold Breaker  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Spore  
- Shell Smash  
- Judgment  
- Secret Sword  

Kyogre-Primal @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Recover  
- Parting Shot  
- Defog  
- Aromatherapy  

Diancie-Mega @ Lum Berry  
Ability: Pixilate  
EVs: 248 HP / 252 Atk / 8 SpA  
Brave Nature  
- Fake Out  
- Extreme Speed  
- Boomburst  
- Pursuit  

Giratina @ Safety Goggles  
Ability: Prankster  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
IVs: 0 Atk  
- Encore  
- Destiny Bond  
- Will-O-Wisp  
- Recover