History of CR 810.9b

Every distinct wording since 2010, newest first.

May 3, 2019 · War of the Spark
If a cost or effect allows both members of a team to pay life simultaneously, the total amount of life they pay may not exceed their team’s life total. (Players can always pay 0 life.)
January 25, 2019 · Ravnica Allegiance
If a cost or effect allows both members of a team to pay life simultaneously, the total amount of life they pay may not exceed their team's life total. (Players can always pay 0 life.)
February 1, 2014 · Born of the Gods
If a cost or effect allows both members of a team to pay life simultaneously, the total amount of life they pay may not exceed their team’s life total. (Players can always pay 0 life.)
September 30, 2011 · Innistrad
If a cost or effect allows both members of a team to pay life simultaneously, the total amount of life they pay may not exceed their team's life total. (Players can always pay 0 life.)
June 17, 2011 · Commander 2011
If a cost or effect allows both members of a team to pay life simultaneously, the total
April 1, 2011 · Duel Decks: Knights vs. Dragons
If a cost or effect allows both members of a team to pay life simultaneously, the total amount of life they pay may not exceed their team's life total. (Players can always pay 0 life.)
February 4, 2011 · Mirrodin Besieged
If a cost or effect allows both members of a team to pay life simultaneously, the total amount of life they pay may not exceed their team’s life total. (Players can always pay 0 life.)
October 1, 2010 · Scars of Mirrodin
If a cost or effect allows both members of a team to pay life simultaneously, the total
June 18, 2010 · Archenemy
If a cost or effect allows both members of a team to pay life simultaneously, the total amount of life they pay may not exceed their team's life total. (Players can always pay 0 life.)
February 1, 2010 · Worldwake
rule 810.9b not present in this release