Ty's Team

Mewtwo @ Life Orb
Ability: Pressure
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Psystrike
- Ice Beam
- Focus Blast
- Taunt

Rayquaza-Mega @ Choice Band
Ability: Delta Stream
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Dragon Ascent
- V-create
- Dragon Claw
- Extreme Speed

Ho-Oh @ Choice Band
Ability: Regenerator
EVs: 240 HP / 252 Atk / 16 Spe
Adamant Nature
- Brave Bird
- Sacred Fire
- Earthquake
- Sleep Talk

Giratina @ Leftovers
Ability: Pressure
EVs: 248 HP / 252 Def / 8 Spe
Impish Nature
- Will-O-Wisp
- Dragon Tail
- Rest
- Sleep Talk

Arceus-Ground @ Earth Plate
Ability: Multitype
EVs: 240 HP / 252 Def / 16 Spe
Bold Nature
IVs: 0 Atk
- Judgment
- Recover
- Defog
- Ice Beam

Giratina @ Leftovers
Ability: Pressure
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Will-O-Wisp
- Rest
- Defog
- Dragon Tail