I find that jungo and junks work well, jungo boost the high life you get through winning making it hard to catch up and junks have cards like gil,rowdy,tremorh and gibson which you can save your pills for jungo so those clans work best for me, what clans work for you?
Sakrohm are almost unfair in low pill battles... I mean you literally can't beat anything in a 1 pill fight, so when you've only got 10 pillz to start with, they put the hurt on. The best deck I've faced in survivor was a life manip mono Sakrohm deck. Also, Sakrohm/Roots is pretty ridiculous if you use the right Roots.
Ive actually only played survivor mode about 2-3 times, but i got up to 11 wins with a mono Junta deck thats both ELO and type 1 complient. I didnt think it was too bad. The key is finding a balance or flow with whatever type of deck your using.
The nice thing that i see from this thread is that quite a few people use different decks/methods so its not like one deck type reigns in survivor. Well, i suppose Sakrohm are more widely used, but that doesnt mean it always trumps.