Necrozma-Dusk-Mane @ Ultranecrozium Z
Ability: Prism Armor
Tera Type: Bug
EVs: 28 HP / 220 Atk / 8 Def / 252 Spe
Jolly Nature
- Photon Geyser
- Earthquake
- Sunsteel Strike
- Swords Dance
Tapu Lele @ Choice Specs
Ability: Psychic Surge
Shiny: Yes
Tera Type: Bug
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Psychic
- Moonblast
- Psyshock
- Focus Blast
Yveltal @ Black Glasses
Ability: Dark Aura
Tera Type: Ground
EVs: 248 HP / 8 Atk / 252 SpA
Mild Nature
- Sucker Punch
- Dark Pulse
- Oblivion Wing
- Roost
Zygarde @ Life Orb
Ability: Power Construct
Shiny: Yes
Tera Type: Steel
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Thousand Arrows
- Dragon Tail
- Extreme Speed
- Dragon Dance
Scizor-Mega @ Scizorite
Ability: Technician
Tera Type: Ice
EVs: 248 HP / 8 Atk / 252 Def
Impish Nature
- Bullet Punch
- Roost
- U-turn
- Toxic
Smeargle @ Focus Sash
Ability: Own Tempo
Shiny: Yes
Tera Type: Ghost
EVs: 252 HP / 4 Atk / 252 Spe
Jolly Nature
- Sticky Web
- Spore
- Anchor Shot
- Rapid spin
explanation
smeargle is mostly there just to set up sticky web and spore and mostly will die Zygarde is there to counter air balloon electric teratype shedninjas and zacians. Scizor is there to counter fairies. Yveltal is there to counter ghosts and kill most mons tapu lele is there to counter dark types and set up psychic terrain for necrozma necrozma is there to set up swords dance and sweep most things and the z move that will OHKO anything that doesn't resist or is immune to it