Here's the order of the 12 lines:
1st day: The Sexy Pyro
2nd day: mr_e_s is added
3rd day: vash is added
4th day: Fear-hax[FFN] is added
5th day: nemesis is added
6th day: TestSub666 is added
7th day: The Lagiacrus is added
8th day: Straight Edge Tanner is added
9th day: [FFN] Pickle is added
10th day: Móóçhÿ is added
11th day: Lag NiNJa (TSs) is added
12th day: Loki-Face is added

We now have 12 members so we can start organizing

The project is now back on!

I'm relatively sure this isn't actually happening.

Here's my version:
On the first day of christmas, Gabe Newell gave to me
12 targes charging
11 sentries gunning
10 sandmen bonking
9 banners buffing
8 meds a healing
7 shivs a shiving
6 spies a stabbing
5 goldwren-ches
4 ubercharges
3 huntsman
2 taseful toques
and a launcher with a sticky!