If I post "I LOVE the idea and it needs no modifications whatsoever you stupid idiots"--will that reignite the flame war?
I think there's room for another element's ability to draw more cards. And while I agree that gravity (not time) pulls sand through an hour glass, the reality (of this fantasy game) is that changing a card crucial to so many decks would not be a big crowd-pleaser, for better or for worse.