This is the Build I use for my team Demize Gaming in competitive play, not the greatest for 1v1 situations but ideal for team play and CC. My build can be found in the video info section.
http://www.youtube.com/watch?v=ar8-wXZQ0PE&list=UUaWiKphlJyiIf1HNoBl8Mpg&index=2&feature=plcp