After a few months of playing on and off, i've made some major changes and improvements. The strategy is still the same as before, to set-up for a Paralyse and Sub-Seed Breloom and stall/sweep. No Spore is used!
Breloom @ Toxic Orb
Ability: Poison Heal
EVs: 252 HP, 252 DEF, 4 SPEED
Nature...