I've given this some more thought.
This card would probably be better, if the order of the draw and discard was swapped. If the discarding happens first, the opponent never has the problem that he will miss a card he never was able to play (might also add that only cards can be discarded for which the opponent has enough quantum to play)
Additionaly when the opponent doesn't have any cards left in hand, this will only let him draw more cards without discarding any (was the main idea of this card anyway)
Another point I was wondering myself is, what to do about decking out. If the opponent has only 2 cards left, playing this card would mean a OTK for 3
. Should it still force the opponent to draw cards when he has less than ~4 cards in the deck?
I'll put up a poll, let's see how you folks think about it.