mega Cham shuca magearna

Magearna @ Shuca Berry
Ability: Soul-Heart
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Ice Beam
- Thunderbolt
- Aura Sphere
- Shift Gear

Kartana @ Choice Band
Ability: Beast Boost
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Leaf Blade
- Smart Strike
- Sacred Sword
- Defog

Tapu Koko @ Life Orb
Ability: Electric Surge
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Thunderbolt
- U-turn
- Hidden Power [Ice]
- Roost

Greninja-Ash @ Waterium Z
Ability: Battle Bond
EVs: 252 SpA / 4 SpD / 252 Spe
Naive Nature
- Hydro Pump
- Dark Pulse
- Ice Beam
- Water Shuriken

Landorus-Therian @ Leftovers
Ability: Intimidate
EVs: 244 HP / 152 Def / 112 Spe
Impish Nature
- Earthquake
- Hidden Power [Ice]
- U-turn
- Stealth Rock

Medicham-Mega @ Medichamite
Ability: Pure Power
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- High Jump Kick
- Zen Headbutt
- Ice Punch
- Bullet Punch