Let teamwork.tf decide what gameserver you want to play on.
24/7, alltalk, arena, break, custom, eu, fastdl, friendly, furry, gamemode, halloween, increased_maxplayers, jail, jailbreak, jb, respawntimes
nocrits, norespawntime, payload
Random server mode
This will pick any community gamemode (hence not official gamemode's), and choose a random server from that list with at least 5 players in it. This is the best way to get in touch with the funkiest maps/gamemodes/people!