Mega-Stall

Sableye @ Sablenite
Ability: Prankster
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
IVs: 0 Atk
- Calm Mind
- Recover
- Dark Pulse
- Will-O-Wisp

Clefable @ Leftovers
Ability: Unaware
EVs: 252 HP / 232 Def / 24 SpD
Bold Nature
IVs: 0 Atk
- Heal Bell
- Wish
- Moonblast
- Thunder Wave

Vaporeon @ Leftovers
Ability: Water Absorb
EVs: 252 HP / 168 Def / 88 SpD
Calm Nature
IVs: 0 Atk
- Scald
- Wish
- Protect
- Baton Pass

Heatran @ Leftovers
Ability: Flash Fire
EVs: 252 HP / 208 SpD / 48 Spe
Calm Nature
IVs: 0 Atk
- Lava Plume
- Earth Power
- Stealth Rock
- Taunt

Gothitelle @ Choice Specs
Ability: Shadow Tag
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Psychic
- Psyshock
- Hidden Power [Fire]
- Trick

Chansey (F) @ Eviolite
Ability: Natural Cure
EVs: 4 HP / 252 Def / 252 SpD
Bold Nature
IVs: 0 Atk
- Wish
- Soft-Boiled
- Seismic Toss
- Toxic