Ok, so I decided to scrap Heatran and Forretres, and replace them with a good old SkarmBliss. I also replaced Steelix with Sylveon and added Azumarill.
What stayed the same: Blissey (Change of moves), Brelloom, Zapdos (Change of moves)
What changed: Skarmory (In replacement of Steelix/Vaporeon), Sylveon (In replacement of Heatran), Azumarill (In replacement of Forretres)
This is the new team (I copy and pasted the moves from other places because I'm lazy)
Skarmory @ Leftovers
Ability: Keen Eye
EVs: 252 HP / 232 Def / 24 Spe
Impish nature (+Def, -SpA)
- Brave Bird
- Roost
- Spikes
- Whirlwind
Blissey @ Leftovers
Ability: Natural Cure
EVs: 252 HP / 252 Def / 4 Spe
Bold nature (+Def, -Atk)
- Wish
- Protect
- Seismic Toss
- Toxic
Breloom @ Toxic Orb
Ability: Poison Heal
EVs: 236 HP / 248 Def / 24 Spe
Impish nature (+Def, -SpA)
- Substitute
- Leech Seed
- Focus Punch
- Spore
Zapdos @ Leftovers
Ability: Pressure
EVs: 248 HP / 184 SpD / 76 Spe
Timid nature (+Spe, -Atk)
-Thunderbolt
-Roost
-Defog
-Heat Wave/U-turn (I can't decide, but I'm leaning towards U-Turn)
Azumarill @ Leftovers
Ability: Huge Power
EVs: 252 HP / 252 Atk / 4 Spe
Adamant nature (+Atk, -SpA) (Moves may need changing)
- Substitute
- Focus Punch
- Ice Punch
- Aqua Jet
Sylveon @ Leftovers
Nature: Bold
Ability: Pixilate
EV's: 252 HP / 252 Def / 4 SpD
- Wish
- Protect
- Moonblast
- Yawn (Sylveon doesn't learn Aromatherapy, so I don't know what to put here)
Note: I'd like to get you guys's input before I use this team, so what do you think?