Gren-Bulu-Heatran Bulky Offense (OU)

Uchiha (Greninja-Ash) @ Choice Specs
Ability: Battle Bond
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hydro Pump
- Dark Pulse
- Water Shuriken
- U-turn

Bovine (Tapu Bulu) @ Assault Vest
Ability: Grassy Surge
EVs: 248 HP / 60 Atk / 56 SpD / 144 Spe
Adamant Nature
- Horn Leech
- Wood Hammer
- Superpower
- Nature's Madness

Fem Tran (Heatran) (F) @ Groundium Z
Ability: Flash Fire
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Magma Storm
- Earth Power
- Stealth Rock
- Taunt

Snek (Zygarde) @ Leftovers
Ability: Aura Break
EVs: 188 HP / 140 Atk / 180 Spe
Adamant Nature
- Thousand Arrows
- Substitute
- Toxic
- Dragon Dance

Zap Birb (Zapdos) @ Leftovers
Ability: Pressure
EVs: 248 HP / 240 Def / 20 Spe
Bold Nature
IVs: 0 Atk
- Discharge
- Heat Wave
- Defog
- Roost

Rooster (Tapu Koko) @ Choice Scarf
Ability: Electric Surge
EVs: 64 Atk / 252 SpA / 192 Spe
Naive Nature
- Thunderbolt
- Brave Bird
- U-turn
- Hidden Power [Ice]