One Shall Stand, One Shall Fall V. 1.0

Aggron-Mega (M) @ Aggronite
Ability: Sturdy
EVs: 248 HP / 20 Def / 240 SpD
Careful Nature
- Stealth Rock
- Heavy Slam
- Avalanche
- Earthquake

Toxapex (F) @ Shed Shell
Ability: Regenerator
EVs: 248 HP / 196 Def / 64 SpD
Bold Nature
IVs: 0 Atk
- Toxic Spikes
- Scald
- Recover
- Haze

Tangrowth (M) @ Assault Vest
Ability: Regenerator
EVs: 248 HP / 8 Def / 252 SpD
Sassy Nature
- Giga Drain
- Earthquake
- Knock Off
- Hidden Power [Ice]

Gengar (M) @ Choice Specs
Ability: Cursed Body
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Shadow Ball
- Sludge Bomb
- Focus Blast
- Hex

Dugtrio (F) @ Groundium Z
Ability: Arena Trap
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Earthquake
- Substitute
- Screech
- Toxic

Tapu Fini @ Eject Button
Ability: Misty Surge
EVs: 248 HP / 8 Def / 252 Spe
Timid Nature
IVs: 0 Atk
- Moonblast
- Defend Order
- Nature's Madness
- Taunt