@Meddler: The problem with the new Warlords on PBE
http://www.surrenderat20.net/p/current-pbe-balance-changes.html#balance
"Moving or attacking makes an attack Energized. Energized attacks grant Lifesteal and Movement Speed." "Lifesteal for energized attack: 1-50% and 30% movespeed for 0.75 seconds." Charge rate the same as SS, RFC, and KS - roughly 6-7 autos while moving for ADC to fully charge.
At every 6-7 autos, these procs are going to be very spaced apart, which leaves them vulnerable to a lot of random variation based on crit. If you're lucky, you crit for a massive infusion of health at a pivotal point in the fight. If you're not, you get a normal hit and recover significantly less health. The difference between whether that single auto crits or not could literally decide the outcome of a fight.
Please make this keystone recover a fixed amount based on your AD, possibly incorporating crit chance into the heal the way Ashe's autos work.