Jordan, Ever Vanisher

Deathtouch
At the end of your turn pay {4} or this
creature phases out. This ability costs
{1} less for each opponent.
{x}{b/g}{g/u}{u/b}{t}: look at the top {x} cards of target opponents library. Exile one face down and put
one back on top. The rest on the bottom of that players library. You may cast the exiled card for
as long as it remains exiled, use any kind
of mana to cast.