Mega Swampert - OU

Leo Stronda (Swampert-Mega) (M) @ Swampertite
Ability: Damp
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Waterfall
- Earthquake
- Ice Punch
- Power-Up Punch

Verdelet (Pelipper) @ Damp Rock
Ability: Drizzle
Shiny: Yes
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Scald
- Roost
- Defog
- U-turn

Disgusting (Ferrothorn) @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 48 Def / 208 SpD
Careful Nature
- Spikes
- Stealth Rock
- Power Whip
- Leech Seed

Spirit Crusher (Kingdra) @ Choice Specs
Ability: Swift Swim
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Hydro Pump
- Draco Meteor
- Ice Beam
- Surf

Zatch (Tapu Koko) @ Magnet
Ability: Electric Surge
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Volt Switch
- Thunder
- Hidden Power [Ice]
- U-turn

Adramelech (Tornadus-Therian) @ Life Orb
Ability: Regenerator
Shiny: Yes
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hurricane
- Focus Blast
- Sludge Wave
- U-turn