Rate and Fix: Pearl

[Hadim Sinan Pasha]

Luxray @ Magnet
Nature: Rash [This nature was the best for Sp. Atk and Atk]
Spark
Crunch
Swagger
Thunder Fang: Needs to be replaced, or that's what I think, any ideas with what?

Torterra @ No Item
Nature: Brave [Sp. Atk., Sp. Def. are good and Atk. Def. just own]
Razor Leaf/Giga Drain
Erathquake
Crunch
: This spot is filled in by Giga drain ATM. I want to only run 1 grass move.

Palkia @ Lustrous Orb
Nature: Bashful (if you're gonna tell me to change it know this, lvl 52, 175 Sp. Atk, 139 Atk)
Water Pulse: Should I replace it with Surf?
Ancient Power: Thinking about Thunder here, ping down those Ice types well.
Dragon Pulse/Dragon Claw
Spacial Rend: meh, gonna go for Rain Dance

Floatzel @ No Item
Nature: Quirky (high Sp. Atk[83], Atk[89] and 101 Spd at lvl 40)
Aqua Jet: Bad move, once again, should I replace it with Surf or will this bog it down?
Crunch
Agility
Whirlpool: What can I replace this one with?

Steelix @ No Item
Nature: Naive
Dragonbreath
Iron Tail
Crunch
Double-Edge

Sneasel @ No Item
Nature: Adamant
Faint Attack
Slash
Agility
Ice Beam

Could you Please work around these TM's:
Roar
Toxic
Hail
Bullet Seed
HP
Sunny Day
Rain Dance
Iron Tail
Thunder
Return
Dig
Shadow Ball
Shock Wave
Flamethrower
Sludge Bomb
Aerial Ace
Thief
Skill Swap
Snatch
Roost
Focus Blast
False swipe
Brine
Fling
Charge beam
Drain Punch
Silver Wind
Embargo
Shadow Claw
Payback
Recycle
Flash
Avalanche
Stealth Rock
Rock Slide
Natural Gift
Dream Eater
Grass Knot
Pluck
Substitute
Flash Cannon
Trick Room
I have all 8 HM's.