Sauron's Shadow

+2: You gain control of target creature until the end of the turn. Put a -1/-1 token on the same target.
-2: View all librarys from your opponents, then choose one card each that has to be discarded.
-20: If one of your creatures has "The One Ring" equipped, play "Sauron" (from any Zone), immediately equip "The Ruling Ring". Exile "The One Ring".