Guild Wars 2

Okay my guild from mag (VR) frequently runs 10 or so heavy dps staff eles. We want to add 2eles with scepter focus to focus down targets, have heavy dps, but can survive being potentially close to a hammer train. Help theorucraft a build that can do all this

http://gw2skills.net/editor/?fEAQJArdhEmgbyx5wjEAEFp4yQRHjIUchDlC4A-jUyAYLQ8FA5AgKAm+KiGbRtIasabMlbkVxCpSBQxwI-w

maybe something like this?