The new changes planned for Warlords Blood-lust.
http://www.surrenderat20.net/2016/02/216-pbe-update.html
How do you foresee this affecting certain champions or items?
Personally I think this will make any sustained damage oriented build or champion stronger. Any on-hit champion or items would be indirectly buffed because you wouldn't to purchase life-steal or spell-vamp as early. The value you get out of all sources of sustain and shields is increased. Items and Champions I think will be indirectly affected shown below. I'm only listing the ones that immediately come to mind. I don't expect this keystone to be game-breaking but I think we will see a great deal of Junglers picking this keystone. was confirmed not to work on jungle monsters.
Items that synergize or complement the change to Warlord's Bloodlust 1-5
4/5
5/5
3/5
3/5
4/5
4/5
4/5
5/5
5/5
2/5
Champions that get more value out of their abilities with Warlord's Bloodlust. Most everyone that builds on-hit items, has built in sustain, has a shield/invulnerability, or scales especially well off of attack speed/critical strike.

Most every Marksman.
Most every champion with a shield or auto attack steroid.
This is all completely speculation. Thoughts?