Ditto @ Choice Scarf
Ability: Imposter
EVs: 248 HP / 252 Def / 8 SDef
Bold Nature
- Transform

Wobbuffet @ Leftovers
Ability: Shadow Tag
EVs: 28 HP / 232 Def / 248 SDef
Calm Nature
IVs: 0 Atk
- Counter
- Mirror Coat
- Destiny Bond
-

Trevenant @ Sitrus Berry
Ability: Harvest
EVs: 252 Spd / 252 Atk / 4 HP
Jolly Nature
- Phantom Force
- Thief
- Protect
- Destiny Bond

Meowstic (M) @ Leftovers
Ability: Prankster
EVs: 4 Def / 252 SAtk / 252 Spd
Timid Nature
IVs: 0 Atk
- Assist
- Substitute
- Dark Pulse
- Calm Mind

Noivern @ Choice Scarf
Ability: Infiltrator
EVs: 4 Atk / 252 HP / 252 Spd
Jolly Nature
- Whirlwind
- Thief
- Protect
- Switcheroo

Gourgeist-Small @ Choice Scarf
Ability: Frisk
EVs: 252 Spd / 252 HP / 4 SDef
Jolly Nature
- Trick
- Thief
- Protect
- Destiny Bond

1. Cripple opponents team with trick, switcheroo and Destiny Bond.
2. Copy opponents entry hazard setter with ditto and set yourself
3. Assist whirlwind with meowstic until you get a special attacker
4. Priority calm mind and substitute as often as you need
5. Assist or dark pulse until you win
6. Post replies
7. ?????
8. Profit!