Venusaur @ Shed Shell  
Ability: Drizzle  
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Seed Flare  
- Slack Off  
- Magic Coat  

Skarmory @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Toxic Spikes  
- Milk Drink  
- Whirlwind
- U-turn  

Arceus @ Choice Scarf  
Ability: Wonder Guard  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Spikes  
- Trick  
- Recover  
- U-turn  

Giratina @ Mail  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Spikes  
- Whirlwind  
- Magic Coat  
- Roost  

Rayquaza @ Focus Sash  
Ability: Mold Breaker  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Draco Meteor  
- Rapid Spin  
- Extreme Speed  
- Seed Flare  

Palkia @ Choice Scarf  
Ability: Mold Breaker  
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Hydro Pump  
- Spacial Rend  
- Earth Power  
- U-turn