Exile target nonbasic land. Search its controller's graveyard, hand, and library for all cards with the same name as that land and exile them. Then that player shuffles their library.
10/4/2004 Does not exile other cards of the same name that are on the battlefield. Just from the graveyard, hand, and library.
2/1/2005 The copies must be found if they are in publicly viewable zones. Finding copies while searching private zones is optional.