admin 
2 teams of 5. 1 captain, 4 defenders.
To win:
- Kill all players 5 times each
- Kill their Captain 3 times
- Break the obsidian
In this, if you are a defender, you must defend your captain, your obsidian and yourself.
Screenshots:
http://www.dl4.9minecraft.net/index.php?act=dl&id=1379258421
http://www.dl2.9minecraft.net/index.php?act=dl&id=1379283110
Credits: _CookieeDough_
