History of CR 401.3

Every distinct wording since 2010, newest first.

May 3, 2019 · War of the Spark

Any player may count the number of cards remaining in any player’s library at any time.

January 25, 2019 · Ravnica Allegiance

Any player may count the number of cards remaining in any player's library at any time.

February 1, 2014 · Born of the Gods

Any player may count the number of cards remaining in any player’s library at any time.

September 30, 2011 · Innistrad

Any player may count the number of cards remaining in any player's library at any time.

June 17, 2011 · Commander 2011

Any player may count the number of cards remaining in any player’s library at any time.

April 1, 2011 · Duel Decks: Knights vs. Dragons

Any player may count the number of cards remaining in any player's library at any time.

October 1, 2010 · Scars of Mirrodin

Any player may count the number of cards remaining in any player’s library at any time.

February 1, 2010 · Worldwake

Any player may count the number of cards remaining in any player's library at any time.