Character creation on dumpshock, why should you create chars alone? Options

[Machiavelli]

Hi Folks. I was about to create a new character for our (from now on) “not-so-uber-game”. I thought about it during the weekend, but obviously i have been a powergamer for too long and therefore I cannot create lame or “standard” characters anymore. Everything I plan is either extravagant, highly specialized, maxed or all at once. My fellow gamers call the variation of chars “freak-show”….So all my second-source characters are cancelled and I really don´t know how to go on. The GM checked all my chars and the only one he could “live with” (surge-wise) is the this one:

I had the concept of a medusa-mystical-adept in mind with the focus in possession magic and magical skills. Since our last session, possession magic is forbidden in our group and overly extreme surge effects like “astral shroud” are banned or at least highly restricted. I am tired of telling the GM that it is an disadvantage if he plays it right so please, dear dumpshockers, lend me a hand.

What I would like to have (but not necessarily need):

1) Mystical adept (for future options – I love options)
2) Elf
3) Female
4) Medusa Hair (I thought about a thagomizer-variant) means a lot of small snakes to cover the head (extravagant hair???), and a long python-like snake for the thagomizer effect
5) Natural Venom (if possible for the big snake)
6) Must at least be able to cast “Petrification”
7) Focus on adept powers
(IMG:style_emoticons/default/cool.gif) Combat character
9) Magic is (except of the petrificiation-spell) only to buff herself. So nothing that interferes with that. I could imagine a limited range acid stream spell from the mouth.
10) Char. should look like medusa but somehow coverable – mask spell?

Could you please give me some hints how I can proceed? I would need a good combination of spells and powers, a tradition, mentor spirit etc.

Please help me. I offer an invitation for a barbeque and unlimited amounts of beer for everybody that participates on this project (location: Germany, Baden-Württemberg, close to Stuttgart, date: to be defined)