...and let's toss in a Fighter multiclass feat - say, Battle Awareness - to add in more Feycharger cheese on top of this. So, AFAICT, this build would do the following...
(1) Mark one target, charge another target, using Fey Step.
(2) Make two Virtuous Strike attacks - one for Eladrin Charge, one for Eladrin Swordmage Advance. If the charge attack hits, keep Fey Step.
(3) Add on top of this all the various White Lotus whammies he picked up - guessing White Lotus Riposte + White Lotus Master Riposte. Maybe there's something even better, though.
(4) If the mark is violated - and it probably will be a lot - teleport again, and do the Virtuous Strike with the White Lotus whammies.
And yeah, as mentioned above, he can just Divine Challenge his Aegis target to recharge his Aegis.
So I think this has the potential to be an absolutely abusive one-trick pony. I get a nagging feeling that Arcane Admixture features in somewhere.
-O