History of CR 810.9a
Every distinct wording since 2010, newest first.
May 3, 2019 · War of the Spark
If a cost or effect needs to know the value of an individual player’s life total, that cost or effect uses the team’s life total instead.
January 25, 2019 · Ravnica Allegiance
If a cost or effect needs to know the value of an individual player's life total, that cost or effect uses the team's life total instead.
February 1, 2014 · Born of the Gods
If a cost or effect needs to know the value of an individual player’s life total, that cost or effect uses the team’s life total instead.
September 30, 2011 · Innistrad
If a cost or effect needs to know the value of an individual player's life total, that cost or effect uses the team's life total instead.
June 17, 2011 · Commander 2011
If a cost or effect needs to know the value of an individual player’s life total, that cost or
April 1, 2011 · Duel Decks: Knights vs. Dragons
If a cost or effect needs to know the value of an individual player's life total, that cost or effect uses the team's life total instead.
February 4, 2011 · Mirrodin Besieged
If a cost or effect needs to know the value of an individual player’s life total, that cost or effect uses the team’s life total instead.
October 1, 2010 · Scars of Mirrodin
If a cost or effect needs to know the value of an individual player’s life total, that cost or
June 18, 2010 · Archenemy
If a cost or effect needs to know the value of an individual player's life total, that cost or effect uses the team's life total instead.
February 1, 2010 · Worldwake
rule 810.9a not present in this release