Hi, I built this deck and did very well with it! The only thing I figured out was that a diffrent starter can be used in this deck, phione is great but one problem I found with it is that some times I didn't have the bench pokemon to evolve them. So i tried the deck using absol as a starter, it worked great but set up just a little slower(although it slows down your oppenent even more!), any way.. both versions are really good, (also I tried running a 2-2 octillary line, it worked against decks that use/rely on double rainbow and special energy, and it also helped snipe) heres the list I came up with..
Phione version:
Pokemon: 17
4 Empoleon
3 Prinplup
4 Piplup
4 Phione
2 absol ex (amazng! so much combos and strategys to pull off with this card that could win you the game.)
Trainers: 27
2 Cessation
2 Castaway
2 TGW (really good disruption while spreading tons of dmg.)
3 POV/TVR/Felecitys drawing once new set comes out.
3 Celio's
3 rare candy
3 Roseanne's research
1 mentor (this is simply for getting more basics for phione.)
2 stevens advice
2 super scoop up (amazing trust me.. I did so much combos with absol and the spread damage that it isn't even funny! also good for when you have a empoleon or something almost dead, just scoop it up!)
1 strength charm (your going to need this, for example have you ever thought of the times when your like.. Darn if only i had a strength charm! well here it is, you can search it with castaway.)
1 night maintnence (need this, only one line of pokemon.)
1 tsd (this helps soooo mucccch!!, but if you don't have one just drop it and add in another night maintnence.)
Energy: 16
4 DRE
2 Scramble
10 Water
I did pretty well with that list, you should try it out.