Diancie Sun Hyper Offense V2

Groudon @ Lum Berry
Ability: Drought
EVs: 80 HP / 252 Atk / 176 Spe
Adamant Nature
- Rock Polish
- Earthquake
- Stone Edge
- Swords Dance

Blaziken @ Blazikenite
Ability: Speed Boost
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Protect
- Swords Dance
- Flare Blitz
- High Jump Kick

Diancie @ Mental Herb
Ability: Clear Body
EVs: 252 HP / 252 Atk / 4 SpD
Brave Nature
IVs: 0 Spe
- Stealth Rock
- Trick Room
- Explosion
- Diamond Storm

Palkia @ Leftovers
Ability: Pressure
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Rest
- Hydro Pump
- Spacial Rend
- Toxic

Victini @ Flame Plate
Ability: Victory Star
EVs: 252 HP / 252 Atk / 4 SpD
Brave Nature
IVs: 0 Spe
- Trick Room
- Substitute
- V-create
- Bolt Strike

Giratina-Origin @ Griseous Orb
Ability: Levitate
EVs: 212 HP / 252 Atk / 44 Spe
Adamant Nature
- Substitute
- Shadow Force
- Shadow Sneak
- Dragon Tail