Why Did The Mamoswine Die Out? V. 1.0

Mamoswine (M) @ Life Orb
Ability: Thick Fat
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Stealth Rock
- Icicle Crash
- Earthquake
- Ice Shard

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

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

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

Tapu Koko @ Zap Plate
Ability: Electric Surge
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 30 Atk
- Thunderbolt
- Hidden Power [Ice]
- Defog
- U-turn

Celesteela @ Leftovers
Ability: Beast Boost
EVs: 248 HP / 132 Def / 128 SpD
Relaxed Nature
- Heavy Slam
- Flamethrower
- Leech Seed
- Protect