Jumpluff @ Flyinium Z
Ability: Chlorophyll  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Bounce  
- Swords Dance  
- Strength Sap  
- Substitute

Abomasnow @ Choice Scarf  
Ability: Snow Warning  
EVs: 4 Atk / 252 SpA / 16 SpD / 236 Spe  
Hasty Nature  
- Blizzard  
- Ice Punch  
- Frost Breath  
- Hidden Power [Fire]

Roserade @ Choice Specs  
Ability: Technician  
EVs: 80 SpA / 252 SpD / 176 Spe  
Timid Nature  
IVs: 0 Atk  
- Hidden Power [Fire]  
- Sludge Bomb  
- Extrasensory  
- Hyper Beam

What the pokemon do:
   Jumpluff
     Can take any hit from a Celebi and KO back with Z-bounce. 
     Jumpluff outspeeds and OHKOs Roserade with Z-Bounce
     Jumpluff outspeeds and OHKOs Trevenant with Z-Bounce
 
 
   Abomasnow
     Abomasnow outspeeds Jumpluff and OHKOs with Blizzard
     Abomasnow outspeeds and OHKOs Shiftry
     Abomasnow lives any hit from Scarf Shiftry and OHKOs back with Blizzard
     Abomasnow outspeeds and lives a hit from non-speed boosting nature Scarf Abomasnow and 2HKOs with HP-Fire
 
 
   Roserade
     Roserade outdamages and beats Mega-Venusaur with Specs Extrasensory.
     Roserade can KO Abomasnow with Specs HP-Fire
     Roserade can take a hit from and KO Scarf Leavanny
     Roserade can take a hit from a non-special attack boosting nature Scarf Abomasnow and KO back with HP-Fire

SECONDARY PLUFF SET:

Jumpluff @ Liechi Berry  
Ability: Chlorophyll  
EVs: 228 Atk / 104 SpD / 176 Spe  
Jolly Nature  
- Strength Sap  
- Swords Dance  
- Acrobatics  
- Substitute