Banded Ho-Oh.

Xerneas @ Power Herb
Ability: Fairy Aura
Shiny: Yes
EVs: 180 HP / 252 SAtk / 76 Spd
Modest Nature
- Geomancy
- Moonblast
- Psyshock
- Hidden Power [Fire]

Ho-Oh @ Choice Band
Ability: Regenerator
Shiny: Yes
EVs: 248 HP / 252 Atk / 8 Spd
Adamant Nature
- Sacred Fire
- Brave Bird
- Earthquake
- Sleep Talk

Groudon @ Leftovers
Ability: Drought
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Thunder Wave
- Stealth Rock
- Earthquake
- Stone Edge

Palkia @ Assault Vest
Ability: Pressure
EVs: 252 SAtk / 4 SDef / 252 Spd
Timid Nature
- Hydro Pump
- Spacial Rend
- Thunder
- Fire Blast

Aegislash (M) @ Leftovers
Ability: Stance Change
EVs: 252 HP / 4 Atk / 252 SDef
Sassy Nature
IVs: 0 Spd
- Toxic
- Gyro Ball
- Shadow Ball
- King's Shield

Arceus-Grass @ Meadow Plate
Ability: Multitype
EVs: 252 HP / 144 SDef / 112 Spd
Timid Nature
- Judgment
- Defog
- Recover
- Stone Edge