Tentacruel @ Lum Berry  
Ability: Clear Body  
EVs: 40 HP / 112 SpA / 140 SpD / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Pump  
- Ice Beam  
- Toxic Spikes  
- Rapid Spin  

Blissey @ Leftovers  
Ability: Natural Cure  
EVs: 8 HP / 252 Def / 248 SpD  
Calm Nature  
IVs: 0 Atk  
- Seismic Toss  
- Toxic  
- Aromatherapy  
- Soft-Boiled  

Skarmory @ Leftovers  
Ability: Keen Eye  
EVs: 248 HP / 16 Def / 192 SpD / 52 Spe  
Impish Nature  
- Taunt  
- Spikes  
- Whirlwind  
- Roost  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 56 Atk / 252 SpA / 200 Spe  
Naive Nature  
- Draco Meteor  
- Shadow Sneak  
- Earthquake  
- Hidden Power [Fire]  

Groudon @ Leftovers  
Ability: Drought  
EVs: 248 HP / 60 Def / 200 SpD  
Sassy Nature  
- Earthquake  
- Dragon Claw  
- Lava Plume  
- Stealth Rock  

Dialga @ Choice Scarf  
Ability: Pressure  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Draco Meteor  
- Outrage  
- Fire Blast  
- Thunder