Planeswalker Couple

{w}{u}{b}{r}{g}: Search your library for any planeswalker card and put that card into your hand. Then, shuffle your library.
{w}{w}{u}{u}{b}{b}{r}{r}{g}{g}: Search any opponent's library for a planeswalker card and put that card into your hand. Then, that player shuffles his or her library.
"Whichever plane you are on. That's home." -Josh, the Incorrigible to Pamela, the Unphased