Wait, both of you are truly WRONG.
Milotic 'delta' (DF) - Supporter Spam
Milotic is good but I would suggest Porygon 2 instead because of their Pre-evo...
Blastoise 'delta' (CG) - Banette Counter
Banette received an errata on its Ghost Head attack. So, it is harder to play Banette now & with Darkrai coming up, Banette is dieing, slowly...
Unown G (GE) - Quick & Counters Effects
Agree...
Slowking (GE) - Well, draw power.
More like searching. Similar to Pidgeot FRLF's Poke-Power...
Sableye (CG) - Blissey Counter
I think Gallade can handle that...
Claydol (GE) - Draw Power & Counters
Agree...
Porygon2 (GE) - Supporter Spam
Look at Milotic...
See what he meant?
To me, starters and techs are based of personal preferences. So, it's best to see your metagame. We're not psychic people. The closest thing we have to intelligence is Google. (LOL). Well, you just have to see your metagame and let us know. From there on, we'll help you.