History of CR 809.7

Every distinct wording since 2010, newest first.

May 3, 2019 · War of the Spark
In the Emperor variant, a team’s resources (cards in hand, mana, and so on) are not shared. Teammates may review each other’s hands and discuss strategies at any time. Teammates can’t manipulate each other’s cards or permanents.
January 25, 2019 · Ravnica Allegiance
In the Emperor variant, a team's resources (cards in hand, mana, and so on) are not shared. Teammates may review each other's hands and discuss strategies at any time. Teammates can't manipulate each other's cards or permanents.
February 1, 2014 · Born of the Gods
In the Emperor variant, a team’s resources (cards in hand, mana, and so on) are not shared. Teammates may review each other’s hands and discuss strategies at any time. Teammates can’t manipulate each other’s cards or permanents.
September 30, 2011 · Innistrad
In the Emperor variant, a team's resources (cards in hand, mana, and so on) are not shared. Teammates may review each other's hands and discuss strategies at any time. Teammates can't manipulate each other's cards or permanents.
June 17, 2011 · Commander 2011
In the Emperor variant, a team’s resources (cards in hand, mana, and so on) are not shared.
April 1, 2011 · Duel Decks: Knights vs. Dragons
In the Emperor variant, a team's resources (cards in hand, mana, and so on) are not shared. Teammates may review each other's hands and discuss strategies at any time. Teammates can't manipulate each other's cards or permanents.
February 4, 2011 · Mirrodin Besieged
In the Emperor variant, a team’s resources (cards in hand, mana, and so on) are not shared. Teammates may review each other’s hands and discuss strategies at any time. Teammates can’t manipulate each other’s cards or permanents.
October 1, 2010 · Scars of Mirrodin
In the Emperor variant, a team’s resources (cards in hand, mana, and so on) are not shared.
June 18, 2010 · Archenemy
In the Emperor variant, a team's resources (cards in hand, mana, and so on) are not shared. Teammates may review each other's hands and discuss strategies at any time. Teammates can't manipulate each other's cards or permanents.
February 1, 2010 · Worldwake
rule 809.7 not present in this release