Mega Zam

Alakazam @ Alakazite
Ability: Magic Guard
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Psychic
- Focus Blast
- Shadow Ball
- Substitute

Keldeo @ Choice Specs
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Scald
- Secret Sword
- Hydro Pump
- Icy Wind

Weavile @ Life Orb
Ability: Pressure
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Knock Off
- Icicle Crash
- Ice Shard
- Low Kick

Zapdos @ Leftovers
Ability: Pressure
EVs: 252 HP / 172 Def / 68 SpA / 16 Spe
Bold Nature
IVs: 0 Atk
- Volt Switch
- Roost
- Defog
- Heat Wave

Klefki @ Leftovers
Ability: Prankster
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
IVs: 0 Atk
- Spikes
- Thunder Wave
- Magnet Rise
- Flash Cannon

Seismitoad @ Leftovers
Ability: Water Absorb
EVs: 252 HP / 244 Def / 12 Spe
Bold Nature
- Stealth Rock
- Scald
- Earthquake
- Toxic