Jirachi @ Choice Scarf  
Ability: Serene Grace  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Iron Head  
- U-turn  
- Healing Wish  
- Ice Punch  

Tentacruel @ Black Sludge  
Ability: Clear Body  
EVs: 248 HP / 80 SpD / 180 Spe  
Timid Nature  
IVs: 2 Atk / 30 SpA / 30 Spe  
- Ice Beam  
- Toxic Spikes  
- Hidden Power [Fire]  
- Rapid Spin  

Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 112 Atk / 8 SpD / 136 Spe  
Adamant Nature  
- Rock Polish  
- Earthquake  
- Dragon Claw  
- Swords Dance  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 40 HP / 60 Atk / 80 Def / 236 SpA / 8 SpD / 76 Spe  
Rash Nature  
- Draco Meteor  
- Hidden Power [Fire]  
- Earthquake  
- Shadow Sneak  

Dialga @ Leftovers  
Ability: Pressure  
EVs: 240 HP / 252 SpD / 16 Spe  
Careful Nature  
IVs: 0 Atk  
- Stealth Rock  
- Dragon Pulse  
- Flamethrower  
- Thunder  

Ho-Oh @ Leftovers  
Ability: Pressure  
EVs: 64 HP / 192 Atk / 252 Spe  
Adamant Nature  
- Substitute  
- Sacred Fire  
- Brave Bird  
- Recover