If cards in a player’s library are shuffled or otherwise reordered, any revealed cards that are reordered stop being revealed and become new objects.
July 3, 2020 · Core Set 2021
If an effect would cause a player to shuffle a set of objects into a library, that library is shuffled even if there are no objects in that set.
September 30, 2011 · Innistrad
rule 701.20d not present in this release
June 17, 2011 · Commander 2011
The plane card that’s turned face up is the plane the player planeswalks to. The plane card
April 1, 2011 · Duel Decks: Knights vs. Dragons
The plane card that's turned face up is the plane the player planeswalks to. The plane card that's turned face down, or that leaves the game, is the plane the player planeswalks away from.
February 4, 2011 · Mirrodin Besieged
The plane card that’s turned face up is the plane the player planeswalks to. The plane card that’s turned face down, or that leaves the game, is the plane the player planeswalks away from.
October 1, 2010 · Scars of Mirrodin
The plane card that’s turned face up is the plane the player planeswalks to. The plane card
February 1, 2010 · Worldwake
The plane card that's turned face up is the plane the player planeswalks to. The plane card that's turned face down, or that leaves the game, is the plane the player planeswalks away from.