Why Did The Mamoswine Die Out? V. 1.1

Jirachi @ Leftovers
Ability: Serene Grace
EVs: 248 HP / 108 SpD / 152 Spe
Calm Nature
- Stealth Rock
- Doom Desire
- Iron Head
- U-turn

Mamoswine @ Life Orb
Ability: Thick Fat
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Ice Shard
- Earthquake
- Icicle Crash
- Knock Off

Tapu Koko @ Fairium Z
Ability: Electric Surge
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunderbolt
- Dazzling Gleam
- Hidden Power [Ice]
- Roost

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

Magearna @ Assault Vest
Ability: Soul-Heart
EVs: 248 HP / 8 Def / 252 SpD
Sassy Nature
- Iron Head
- Fleur Cannon
- Hidden Power [Fire]
- Volt Switch

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