CT team

Ho-Oh @ Choice Band
Ability: Regenerator
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Brave Bird
- Earthquake
- Sacred Fire
- Toxic

Xerneas @ Power Herb
Ability: Fairy Aura
EVs: 138 HP / 38 Def / 107 SpA / 125 SpD / 100 Spe
Bold Nature
IVs: 0 Atk
- Moonblast
- Geomancy
- Focus Blast
- Thunderbolt

Arceus-Poison @ Poisonium Z
Ability: Multitype
EVs: 118 HP / 200 SpA / 190 Spe
Modest Nature
IVs: 0 Atk
- Psych Up
- Earth Power
- Sludge Bomb
- Recover

Giratina-Origin @ Griseous Orb
Ability: Levitate
EVs: 252 HP / 252 Atk
Adamant Nature
- Rest
- Defog
- Toxic
- Dragon Tail

Shaymin-Sky @ Choice Scarf
Ability: Serene Grace
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Air Slash
- Healing Wish
- Seed Flare
- Hidden Power [Ice]

Tyranitar-Mega @ Tyranitarite
Ability: Sand Stream
EVs: 188 HP / 132 Def / 188 SpD
Impish Nature
- Stealth Rock
- Thunder Wave
- Rock Slide
- Rest