History of CR 810.8b

Every distinct wording since 2010, newest first.

April 27, 2018 · Dominaria
If a player concedes, their team leaves the game immediately. That team loses the game.
September 30, 2011 · Innistrad
If a player concedes, his or her team leaves the game immediately. That team loses the game.
June 17, 2011 · Commander 2011
If a player concedes, his or her team leaves the game immediately. That team loses the
February 4, 2011 · Mirrodin Besieged
If a player concedes, his or her team leaves the game immediately. That team loses the game.
October 1, 2010 · Scars of Mirrodin
If a player concedes, his or her team leaves the game immediately. That team loses the
June 18, 2010 · Archenemy
If a player concedes, his or her team leaves the game immediately. That team loses the game.
February 1, 2010 · Worldwake
rule 810.8b not present in this release