AquaHax

Haxorus @ Waterium Z
Ability: Mold Breaker
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Aqua Tail
- Earthquake
- Poison Jab
- Dragon Dance

Manectric-Mega @ Manectite
Ability: Lightning Rod
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Charge Beam
- Thunderbolt
- Magnet Rise
- Flamethrower

Amoonguss @ Leftovers
Ability: Regenerator
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
IVs: 0 Atk
- Synthesis
- Sludge Bomb
- Spore
- Foul Play

Celebi @ Focus Sash
Ability: Natural Cure
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Nasty Plot
- Energy Ball
- Psychic
- Stealth Rock

Starmie @ Light Clay
Ability: Natural Cure
EVs: 252 HP / 4 Def / 252 Spe
Timid Nature
IVs: 0 Atk
- Rapid Spin
- Recover
- Scald
- Light Screen

Gardevoir @ Choice Scarf
Ability: Trace
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Moonblast
- Psyshock
- Shadow Ball
- Healing Wish