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Hey, after getting my first response I really looked over the team and, what the heck I was trying to do with it. Basically I decided my goal would be an offensive Rain team and so came the adjustments:

Jirachi @ Leftovers
Careful
Hp 70 Atk 90 Def 176 SpD 174
Serene Grace
Iron Head
U-turn
Stealth Rock
Toxic
A pretty unique set I like to use Jirachi as a bulky lead, able to suck up fake-out, U-turn, and almost anything else thrown at it, and then use it to Set up my rocks, U-turn and toxic threats later. Iron head serves to hit things resisting U-turn and induce flinches. Jirachi fits a nice spot in the team walling many attacks and stopping many offensive threats.

Gyarados @ Choice Scarf
Jolly
Hp 6 Atk 252 Spe 252
Moxie
Waterfall
Ice Fang
Earthquake
Stone Edge
Coming in right after rocks are gone and Tentacruel is down Gyarados revenge kills and sweeps. With the choice scarf it is able to outspeed pretty much everything in tier, add a moxie boosted waterfall and it spells out trouble for the opponent, throw in the rain and Gyarados has trouble not tearing through teams. Although it is a bit risky carrying but one physical attacker I typically am able to find a suitable opportunity to send in Gyarados and wrap things up as more of a late game sweeper. The only trouble I've had with using this set occurs when I use anything other than Waterfall, which is why I like using Gyarados as a late game sweeper.

Jolteon @ Life Orb
Modest
Hp 6 SpA 252 Spe 252
Volt Absorb
Thunder
Volt Switch
Shadow Ball
Hidden Power (Ice)
Here to suck up obvious t-bolts is Jolteon. Jolteon comes in on an electric type move or a U-Turn and sweeps away most threats with its offensive set. Since its a rain team I went with the Thunder over t-bolt. Also, the shadow ball allows me to counter Gengars, Starmies, and Jellicents with ease. Volt Switch gives the team a bit better synergy and Hidden Power (ice) Provides coverage, dealing nasty damage to anything that is weak to it.

Politoed @ Choice Specs
Modest
SpA 252 SpD 6 Spe 252
Drizzle
Hydro Pump
Focus Blast
Hidden Power - Grass
Ice Beam
Taken right off the site (as you will see just about everything is) Specs Politoed is able to rip through many potent threats like Gengar and with most predicting the defensive set I figured this toed would catch most off guard. Most of the time I have led with Jirachi and U-turned into Politoed where I then begin to give my opponent a run for their money. Dealing massive damage on even those who resist the attack Politoed is a way I like to start most battles and usually ends up spreading some good damage before becoming status'd.

Tentacruel @ Black Sludge
Bold
Hp 252 Def 240 Spe 18
Rain Dish
Scald
Toxic Spikes
Rapid Spin
Protect
Between the revisions I have not changed anything about Tentacruel either, I've found scald to be an excellent resource against unsuspecting switch-ins and toxic spikes to be invaluable. Rapid spin now protects Gyarados and is a must have to prevent it from taking nasty rock damage. Besides that protect allows me to recover hp and scout a bit.

Tornadus @ Choice Scarf
Modest
Hp 6 SpA 252 Spe 252
Prankster
Hurricane
Hidden Power (Ice)
Rain Dance
Hammer Arm
After some testing with the second version of the team I found Dragonite to be my weakest link, I wanted him to be able to out-speed everything but it just wasn't practical. I saw my team needed a revenge killer, something with good enough coverage and excellent speed and enough power to deal good damage on potent threats like a choice scarf moxie mence. After a little testing it seems Tornadus fits the role well, able to take advantage of the rain with his STAB Hurricane and potentially set the rain up should I lose Politoed in a weather match. With the scarf It can pretty much out-speed everything in the tier so I figured modest would suit it better.
Any tips or critiques are greatly appreciated and will be considered.
Thanks for looking!