Board Thread:Spoilers!/@comment-4877635-20140306191334/@comment-6175354-20140307150515

Prince of Rascia wrote: Me too. Maybe some of the good guys casted it...Anyway, I wonder did someone lose his/her heart in order for someone else to cast the Curse. Oh, no.... the return of Racy Lacey.

If the Wicked Witch forced Rumplestiltskin to cast it, assuming it is the Dark Curse, then we (unfortunately) know who's heart was used.