Djin Trickster

{x}{u}{u}: Exile target non-creature spell with converted mana cost X or less, when Djin Trickster leaves the battlefield the owner of each spell exiled this way may cast it without paying its mana cost then for each spell a player casts this way that player draws a card.
Discard a card: Exile Djin Trickster. return it to the battlefield under your control at the beginning of your next end step.