History of CR 609.5

Every distinct wording since 2010, newest first.

May 1, 2014 · Journey into Nyx
If an effect could result in a tie, the text of the spell or ability that created the effect will specify what to do in the event of a tie. The Magic game has no default for ties.
September 30, 2011 · Innistrad
If an effect could result in a tie, the text of the spell or ability that created the effect will specify what to do in the event of a tie. The _Magic_ game has no default for ties.
June 17, 2011 · Commander 2011
If an effect could result in a tie, the text of the spell or ability that created the effect will specify
April 1, 2011 · Duel Decks: Knights vs. Dragons
If an effect could result in a tie, the text of the spell or ability that created the effect will specify what to do in the event of a tie. The _Magic_ game has no default for ties.
February 4, 2011 · Mirrodin Besieged
If an effect could result in a tie, the text of the spell or ability that created the effect will specify what to do in the event of a tie. The Magic game has no default for ties.
October 1, 2010 · Scars of Mirrodin
If an effect could result in a tie, the text of the spell or ability that created the effect will specify
February 1, 2010 · Worldwake
If an effect could result in a tie, the text of the spell or ability that created the effect will specify what to do in the event of a tie. The _Magic_ game has no default for ties.