History of CR 805.1

Every distinct wording since 2010, newest first.

May 3, 2019 · War of the Spark
Some multiplayer games between teams use the shared team turns option. It’s always used in the Two-Headed Giant variant (see rule 810) and the Archenemy casual variant (see rule 904). It can be used only if the members of each team are sitting in adjacent seats.
January 25, 2019 · Ravnica Allegiance
Some multiplayer games between teams use the shared team turns option. It's always used in the Two-Headed Giant variant (see rule 810) and the Archenemy casual variant (see rule 904). It can be used only if the members of each team are sitting in adjacent seats.
February 1, 2014 · Born of the Gods
Some multiplayer games between teams use the shared team turns option. It’s always used in the Two-Headed Giant variant (see rule 810) and the Archenemy casual variant (see rule 904). It can be used only if the members of each team are sitting in adjacent seats.
February 1, 2012 · Dark Ascension
Some multiplayer games between teams use the shared team turns option. It's always used in the Two-Headed Giant variant (see rule 810) and the Archenemy casual variant (see rule 904). It can be used only if the members of each team are sitting in adjacent seats.
September 30, 2011 · Innistrad
Some multiplayer games between teams use the shared team turns option. It's always used in the Two-Headed Giant variant (see rule 810) and the Archenemy casual variant (see rule 811). It can be used only if the members of each team are sitting in adjacent seats.
June 17, 2011 · Commander 2011
Some multiplayer games between teams use the shared team turns option. It’s always used in the
April 1, 2011 · Duel Decks: Knights vs. Dragons
Some multiplayer games between teams use the shared team turns option. It's always used in the Two-Headed Giant variant (see rule 810) and the Archenemy casual variant (see rule 811). It can be used only if the members of each team are sitting in adjacent seats.
February 4, 2011 · Mirrodin Besieged
Some multiplayer games between teams use the shared team turns option. It’s always used in the Two-Headed Giant variant (see rule 810) and the Archenemy casual variant (see rule 811). It can be used only if the members of each team are sitting in adjacent seats.
October 1, 2010 · Scars of Mirrodin
Some multiplayer games between teams use the shared team turns option. It’s always used in the
June 18, 2010 · Archenemy
Some multiplayer games between teams use the shared team turns option. It's always used in the Two-Headed Giant variant (see rule 810) and the Archenemy casual variant (see rule 811). It can be used only if the members of each team are sitting in adjacent seats.
February 1, 2010 · Worldwake
In Free-for-All multiplayer games, a group of players compete as individuals against each other.