Semi Stall

Zygarde @ Leftovers
Ability: Power Construct
EVs: 252 HP / 252 Def
Impish Nature
- Dragon Tail
- Thousand Arrows
- Sleep Talk
- Rest

Arceus-Fairy @ Pixie Plate
Ability: Multitype
EVs: 154 HP / 188 SpA / 166 Spe
Bold Nature
IVs: 0 Atk
- Earth Power
- Judgment
- Recover
- Defog

Chansey @ Eviolite
Ability: Natural Cure
EVs: 252 HP / 252 SpD
Careful Nature
IVs: 0 Atk
- Aromatherapy
- Confide
- Toxic
- Soft-Boiled

Dialga @ Leftovers
Ability: Pressure
EVs: 252 HP / 252 SpD / 4 Spe
Calm Nature
IVs: 0 Atk
- Thunderbolt
- Stealth Rock
- Flamethrower
- Rest

Skarmory @ Rocky Helmet
Ability: Sturdy
EVs: 252 HP / 232 Def / 24 Spe
Bold Nature
IVs: 0 Atk
- Spikes
- Whirlwind
- Roost
- Stealth Rock

Sableye-Mega @ Sablenite
Ability: Magic Bounce
EVs: 252 HP / 252 Def
Impish Nature
IVs: 0 Atk
- Foul Play
- Recover
- Protect
- Toxic