Victory Road - Another RMT lol

I am planning to build this team soon and would like tons of help. I have tested this team on shoddy and it works well, but it sometimes dies easily, so... Help me with them ^_^
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Froslass (F) @ Choice Scarf
Ability: Snow Cloak
EVs: 80 HP/176 Spd/252 SAtk
Timid nature (+Spd, -Atk)
- Shadow Ball
- Ice Beam
- Spikes
- Trick
Lead Froslass... don't see this much in OU do you? Which makes it a perfect surprise when battling opponents! The opponents predict the standard suicide lead, but wait till the see what this can do. After 1 Trick your opponent's slow set-up leads are stuck either on a set up or attack, which makes this guy perfect to start setting up his spikes accordingly. If played properly, I will at least get out 1 layer of Spikes which is good enough to break Focus Sash. Shadow Ball is to take down Gengar and Ice Beam for killing off Dragons and both attacks get stab. Speed evs will take down base 100 pokemon if they have an average speed nature. The HP will give Froslass some bulk.
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Magnezone @ Choice Scarf
Ability: Magnet Pull
EVs: 4 Atk/252 Spd/252 SAtk
Naive nature (+Spd, -SDef)
- Thunderbolt
- Explosion
- Hidden Power [Fire]
- Flash Cannon
Magnezone as my awesome Special sweeper. Magnezone is perfect to counter opponent’s Jirachi leads since they usually use one of the following moves (against Froslass): Iron Head, Trick, or Stealth Rock. Since Scarf Jirachi lead is a threat to my Froslass, Magnezone tekes it down when magnet pull is in play. If it uses Iron Head, it may have a slight advantage through Flinch hax, but they can’t depend on that for long. If it uses Trick, IT still gains a Choice Scarf and it will continue this until Jirachi dies. Stealth Rocks is pretty obvious… Thunder Bolt and Falsh Cannon for some STAB and coverage. HP Fire to take down Steel types that Magnezone will trap. Explosion to kill Blissey that think they can easily stall Magnezone out.
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Gyarados (M) @ Life Orb
Ability: Intimidate
EVs: 252 Atk/90 Def/168 Spd
Jolly nature (+Spd, -SAtk)
- Dragon Dance
- Waterfall
- Stone Edge
- Earthquake
With a powerful Special Sweeper, I need a powerful Physical sweeper that can help Magnezone. Gyarados can take all Earthquakes, Close Combats, or Fire Blasts that get thrown at Magnezone and Magnezone can take the Thunder Bolts and Stone Edge that gets thrown at Gyarados. Perfect synergy! The evs help Gyarados out speed base 130 pokemon after 1 Dragon Dance! That would mean Jolteon, Aerodactyl, and Starmie would fear Gyarados. After a single Dragon Dance, Gyarados will have enough power to kill. The defense evs give Gyarados some power to take Dynamic Punches from Machamps as well as many other physical attacks. Water Fall is always there for STAB. Stone Edge to take down other Gyarados and Aerodactyls. Earthquake can take down the Electivire, Jolteon, etc. Gyarados can easily kill opponents easily with the ev spread.
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Spiritomb (M) @ Leftovers
Ability: Pressure
EVs: 252 HP/252 Def/4 SDef
Sassy nature (+SpD, -Spe)
- Will-o-wisp
- Shadow Sneak
- Pain Split
- Hidden Power [Fighting]
What is the point of spending 3 turns and sacrificing Froslass, so that the opponent Rapid Spins away the Spikes? Spiritomb is my spin blocker. Spiritomb is a defensive beast! Will-o-Wisp to cripple any physical pokemon while Shadow Sneak can take down pokmeon with low HP. This is the perfect pokemon to take an explosion from those Bronzongs and Fortress that think they can kill one of my pokemon. Pain Split to regain health and HP Fighting to take down some pokemon that come in to hake Shadow Sneak. Not much to say other than this guy can kill pokemon that try to mess with my Spikes.
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Lanturn (M) @ Leftovers
Ability: Volt Absorb
EVs: 40 HP/76 Def/140 SAtk/252 SDef
Calm nature (+SDef, -Atk)
- Thunder Wave
- Thunderbolt
- Surf
- Ice Beam
What is the point of having Gyarados when you do not have a pokemon that can absorb Electric attacks for it’s own benefits? Lanturn is an amazing Special Sponge and can easily take special moves! Thunder Wave can easily Cripple pokemon that try to sweep with a Scarf. Thunder Bolt and Surf gives STAB for Lanturn to do major damage. Surf would do half health Damage to Magnezones, so this guy is perfect! Ice Beam can easily take down dragons that think that can take down those annoying Special sweeping Dragon types pokemon.
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Donphan (M) @ Leftovers
Ability: Sturdy
EVs: 252 HP/4 Atk/252 Def
Impish nature (+Def, -SAtk)
- Stealth Rock
- Rapid Spin
- Earthquake
- Ice Shard
Why have pokemon that can die to Stealth Rocks with out a supporting Rapid Spinner? The first Rapid spinner that came to mind: Sandslash, but thanks to darkrai.1, Donphan would work a lot better. This guy can support as well as get rid of some pokemon that try to kill of my awesome sweepers. Max defense and HP is needed to take many physical hits. Earthquake for stab and Ice Shard for priority and killing Flygons and other Dragons.
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BTW... my most active forums are going to be around places of strategy, battling, and trading lol