If you're like me and semi-seriously do WvW on any semblance of regular basis, you probably also have a number of the Emblem of the Avenger sitting in your bank. Or you did, but you deleted them. The sheer number of player kills you do in a squad ensures you get a bunch of them, and they do nothing but sit there unless you plan on making untold numbers of Conflux.
The idea: the Skirmish vendor that sells the triumphant hero/mistforged hero armour/weapons also allows you to trade in your vast numbers of emblems for WvW currencies. As each emblem is 100 kills, it should trade for half that.
So,1 Emblem = 50 Memories of Battle, OR 50 Badges of Honor, OR either 50 of the Heroic tokens, OR 50 skirmishing tickets. Or maybe even a jug of karma, or reward track boost for whatever.
This ensures that even the most diehard players of WvW can trade the surplus for something useful to them. All I know is that I personally won't be evolving 10+ Slumbering Conflux to the ball-wielding full Conflux.