Banded Araquanid [Trick Room]

Magearna @ Leftovers
Ability: Soul-Heart
EVs: 4 HP / 252 SpA
Sassy Nature
IVs: 0 Atk / 0 Spe
- Fleur Cannon
- Flash Cannon
- Volt Switch
- Trick Room

Exeggutor-Alola @ Sitrus Berry
Ability: Harvest
EVs: 252 HP / 4 Def / 252 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Draco Meteor
- Energy Ball
- Flamethrower
- Trick Room

Araquanid @ Choice Band
Ability: Water Bubble
EVs: 252 Atk / 252 SpD
Adamant Nature
- Liquidation
- Leech Life
- Poison Jab
- Crunch

Crabominable @ Life Orb
Ability: Iron Fist
EVs: 252 HP / 252 Atk / 4 SpD
Brave Nature
- Close Combat
- Ice Hammer
- Earthquake
- Rock Slide

Nihilego @ Focus Sash
Ability: Beast Boost
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Atk / 0 Spe
- Stealth Rock
- Trick Room
- Sludge Wave
- Power Gem

Xurkitree @ Life Orb
Ability: Beast Boost
EVs: 4 HP / 252 SpA / 252 SpD
Modest Nature
IVs: 0 Atk
- Dazzling Gleam
- Thunderbolt
- Energy Ball
- Volt Switch