Night March - If you can't beat 'em join 'em

I decided to cave in and make a Night March deck. What do you guys think? This is my first try at it.

Pokemon(15)

4x Joltik

4x Lampent

4x Pumpkaboo

3x Shaymin EX

Trainers(38)

4x Professor Sycamore

1x Teammates

1x Hex Maniac

2x Lysandre

1x Xerosic

1x AZ

4x Battle Compressor

4x Ultra Ball

4x VS Seeker

4x Trainers' Mail

4x Puzzle of Time

1x Revive

1x Escape Rope

1x Target Whistle

1x Starting Megaphone

3x Dimension Valley

2x Fighting Fury Belt

1x Float Stone

Energy(4)

4x Double Colorless Energy

What should I change?