Terrakion:
I suggest a Choice Scarf over your Choice Band. The amount of Scarfers present in the current Metagame is pretty darn high. Terrakion will still be powerful, with great revenge killing skills :P
Ferrothorn:
I suggest Leftovers over your Rocky Helmet. Ferrothorn appreciates recovery a lot more than that extra damage on your opponent. Also, try Thunder Wave over Gyro Ball. Thunder Wave facilitates your Terrakion's sweep by slowing down Pokemon. When doing so, use an Impish Nature.
Vaporeon:
I like Vaporeon, but a better Pokemon is needed for the team. Your Cloyster really needs Rapid Spin support to function efficiently. I'm going to suggest a Tentacruel over your Vaporeon, as it synergizes with Ferrothorn quite well, and provides your Rapid Spin:
Tentacruel (M) @ Black Sludge
Trait: Rain Dish / Liquid Ooze
EVs: 252 HP / 236 SDef / 20 Spd
Calm Nature (+SDef, -Atk)
- Scald
- Toxic Spikes
- Protect
- Rapid Spin
Pretty basic set here. Black Sludge is for Recovery. Now, the EVs. EVs allow Tenta to maintain good Special bulk, as well outspeeding certain Pokemon, such as Breloom, Gliscor, and SDef Jirachi. If you have trouble taking down Rain teams, use Rain Dish. Liquid Ooze is a fun option to use, as Ferrothorn's Leech Seed and Conkeldurr's Mach Punch won't be hurting only Tentacruel. Scald is STAB, and can burn, helping out Tentacruel's lower Defense. Toxic Spikes provides some residual damage for the team. Protect allows you to scout and gain a bit of recovery, while Rapid Spin clears out Hazards.
Chansey:
Chansey presents your team with a pretty big Fighting weakness.
Adding Tentcruel does present us with both a Ground and Electric weakness. I wonder what takes all 3 of them...?
Oh hey, Thundurus-T does!
Thundurus-T (M) @ Life Orb
Trait: Volt Absorb
EVs: 252 SAtk / 4 SDef / 252 Spd
IVs: 2 Atk / 30 Def
Modest Nature (+SAtk, -Atk)
- Agility
- Thunderbolt
- Hidden Power [Ice]
- Focus Blast
Basic set. Switch in on a Choice Ground / Electric move and start sweeping. Agility boosts Speed. Thunderbolt and HP Ice make a Pseudo BoltBeam. Focus Blast is additional coverage, and hits Magnezone, and well as Ferrothorn.
Cloyster
Go with the standard 4 HP / 252 Atk / 252 Spd.
Chandelure:
Chandelure now gives us a Ground weakness, which me really don't want. We want another Special sweeper with Fire coverage, and maybe with a ground immunty. I think Gengar would fit quite well in here, as it does it patch your Fighting and Ground weaknesses.
Gengar (M) @ Black Sludge / Life Orb / Choice Scarf
Trait: Levitate
EVs: 4 HP / 252 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
- Shadow Ball
- Focus Blast
- Giga Drain
- Hidden Power [Fire]
Fire coverage is now present. Now, pick your item wisely. Black Sludge provides healing, Life Orb boosts the power of all your attacks. Choice Scarf is here only because using HP Fire allows opposing Gengar to outspeed you. Shadow Ball is STAB, and has perfect coverage with Focus Blast. Giga Drain is nice to heal off damage Gengar has taken. Hidden Power Fire hits Steels harder, and provides Fire coverage for the team.
