If you want this to have a chance of being added, post it on Uservoice -
http://warlight.uservoice.com/forums/77051-warlight-features.
Edit:
This feature might be a bit confusing for new players to pick up on, so it would have to unlock at a very high level or membership. Unfortunately, this could mean that it won't be added at all.
Edited 8/5/2016 13:52:48