where do i put rotom

finally (Diancie-Mega) @ Diancite
Ability: Magic Bounce
EVs: 76 Atk / 180 SpA / 252 Spe
Hasty Nature
- Diamond Storm
- Moonblast
- Earth Power
- Protect

bloody totemo (Ludicolo) @ Assault Vest
Ability: Swift Swim
EVs: 4 Atk / 252 SpA / 252 Spe
Mild Nature
- Fake Out
- Ice Beam
- Hydro Pump
- Giga Drain

Electrolyte (Thundurus) (M) @ Sitrus Berry
Ability: Prankster
EVs: 212 HP / 128 Def / 52 SpA / 96 SpD / 20 Spe
Calm Nature
IVs: 30 Atk / 30 Def
- Thunderbolt
- Thunder Wave
- Rain Dance
- Taunt

boTTT (Aegislash) @ Leftovers
Ability: Stance Change
EVs: 252 HP / 252 SpA / 4 Spe
Serious Nature
- Substitute
- Shadow Ball
- Flash Cannon
- King's Shield

Qwerts (Genesect) @ Choice Scarf
Ability: Download
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- U-turn
- Iron Head
- Ice Beam
- Flamethrower

SpaceBass (Hariyama) @ Sitrus Berry
Ability: Thick Fat
EVs: 252 Atk / 128 Def / 128 SpD
Adamant Nature
- Fake Out
- Wide Guard
- Knock Off
- Close Combat