Mock for ace

Zygarde @ Yache Berry
Ability: Aura Break
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Dragon Dance
- Toxic
- Thousand Arrows
- Extreme Speed

Tapu Koko @ Choice Specs
Ability: Electric Surge
EVs: 40 HP / 248 SpA / 220 Spe
Modest Nature
- U-turn
- Volt Switch
- Thunderbolt
- Dazzling Gleam

Volcarona @ Passho Berry
Ability: Flame Body
EVs: 40 HP / 252 SpA / 216 Spe
Timid Nature
IVs: 0 Atk
- Giga Drain
- Quiver Dance
- Bug Buzz
- Fiery Dance

Seismitoad @ Life Orb
Ability: Water Absorb
EVs: 24 HP / 252 SpA / 232 Spe
Timid Nature
IVs: 0 Atk
- Sludge Bomb
- Scald
- Earth Power
- Stealth Rock

Ferrothorn @ Occa Berry
Ability: Iron Barbs
EVs: 248 HP / 252 Def / 8 SpD
Impish Nature
- Spikes
- Explosion
- Knock Off
- Leech Seed

Starmie @ Wacan Berry
Ability: Illuminate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Ice Beam
- Scald
- Thunderbolt
- Rapid Spin