Ug orcs, lung tym nub peep. I've been playing this MC server (the game is an addicting cancer, much like UO was), it's free to play (ie you don't need premium, you can just download the client Here, choose a name and auto-create account as you login. There's a main server which is pretty standard, open world pvp and trading, but you can make protection zones to stop your buildings being destroyed or stop pvp in an area. Then there's the actual 'hardcore' pvp server which has no protections at all - everything you do or make will be destroyed if you don't hide it well, pvp is organised into factions etc. Not sure if any other orcs have been playing minecraft lately but this is the best free server I've come across in a long time.

Server site: http://minecraftsmp.org/

MC Server: minecraftsmp.org:25565

Come play