God-Eternal Kefnet

Flying
You may reveal the first card you draw each turn
as you draw it. Whenever you reveal an instant or
sorcery card this way, copy that card and you may
cast the copy. That copy costs {2} less to cast.
When God-Eternal Kefnet dies or is put into
exile from the battlefield, you may put it into
its owner's library third from the top.