Defen

Victini @ Choice Scarf
Ability: Victory Star
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- U-turn
- V-create
- Bolt Strike
- Zen Headbutt

Deoxys-Defense @ Leftovers
Ability: Pressure
EVs: 248 HP / 252 Def / 8 SpD
Bold Nature
IVs: 0 Atk
- Recover
- Cosmic Power
- Toxic
- Night Shade

Mew @ Leftovers
Ability: Synchronize
EVs: 252 HP / 152 SpD / 104 Spe
Calm Nature
IVs: 0 Atk
- Taunt
- Stealth Rock
- Will-O-Wisp
- Soft-Boiled

Medicham @ Medichamite
Ability: Pure Power
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Fake Out
- Bullet Punch
- Ice Punch
- High Jump Kick

Slowking @ Leftovers
Ability: Regenerator
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
- Iron Defense
- Slack Off
- Scald
- Toxic

Cresselia (F) @ Leftovers
Ability: Levitate
EVs: 248 HP / 252 Def / 8 SpA
Bold Nature
- Calm Mind
- Substitute
- Moonlight
- Moonblast