History of CR 107.1
Every distinct wording since 2010, newest first.
May 1, 2014 · Journey into Nyx
The only numbers the Magic game uses are integers.
September 30, 2011 · Innistrad
The only numbers the _Magic_ game uses are integers.
June 17, 2011 · Commander 2011
The only numbers the Magic game uses are integers.
April 1, 2011 · Duel Decks: Knights vs. Dragons
The only numbers the _Magic_ game uses are integers.
October 1, 2010 · Scars of Mirrodin
The only numbers the Magic game uses are integers.
February 1, 2010 · Worldwake
The only numbers the _Magic_ game uses are integers.