Rate my Pokeomon Pearl Battle Tower Team?

Question

Okay, these are it:

Magnezone holding Shell Bell

-Discharge

-Gyro Ball

-Barrier

-Tri Attack

Salamence holding Dragon Fang

-Draco Meteor

-Crunch

-Earthquake

-Dragon Claw

Milotic holding Leftovers

-Hydro Pump

-Dragon Pulse

-Ice Beam

-Recover

...and somethimes instead of Magnezone I'll have my:

Tyranitar holding Persim Berry* (for confusion)

-Dark Pulse

-Thrash*

-Ice Beam

-Stone Edge

1 questions, also:

How do you get Hydro Pump, the TM?

THANKS YOU ALL!

Answer 1

permenantly replace magnezone, tyranitar is a much better pokemon

Answer 2

use tyranitar just switch dark pulse for crunch(phisical)

also switch milotic for jolteon pretty good in battle tower

and salamence is perfect