The Team
https://pokepast.es/8554f286c8cf6a9c
Yveltal @ Leftovers
Ability: Dark Aura
EVs: 4 Atk / 252 SpA / 252 SpD
Mild Nature
- Oblivion Wing
- Dark Pulse
- Heat Wave
- Sucker Punch
The best Calyrex-Shadow counter. EVs let it take special hits while still doing damage. Sucker Punch also helps against Scarf-Kyogre
Zygarde @ Aguav Berry
Ability: Power Construct
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Thousand Arrows
- Breaking Swipe
- Rock Slide
- Dragon Dance
My defensive wall. Can live 2 play roughs and kill zacian at the same time.
Zacian-Crowned @ Rusted Sword
Ability: Intrepid Sword
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Behemoth Blade
- Play Rough
- Close Combat
- Wild Charge
Standard Zacian set
Calyrex-Shadow @ Choice Scarf
Ability: As One (Spectrier)
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Astral Barrage
- Psyshock
- Draining Kiss
- Leaf Storm
Scarf to outspeed most tailwind mons + Regieleki. 2 mons who this team doesn’t do well against.
Necrozma-Dusk-Mane @ Weakness Policy
Ability: Prism Armor
EVs: 112 HP / 200 Def / 196 SpD
Brave Nature
- Sunsteel Strike
- Photon Geyser
- Earthquake
- Morning Sun
Can live hits from Zacian and +2 Xerneas. WP for better countering Yveltal
Palkia @ Life Orb
Ability: Pressure
EVs: 56 Def / 200 SpA / 252 SpD
Modest Nature
IVs: 0 Atk
- Hydro Pump
- Spacial Rend
- Thunder
- Trick Room
SpD for better taking Scarf Kyogre Water spouts. Trick Room to help against Trick Room teams.
I am OK with replacing Palkia for another pokemon that counters Kyogre and prevents Trick Room.
All your pokemon suggestions must be obtainable in Pokémon Sword and Shield or Lets go Pikachu without Pokémon Home.