History of CR 400.4b
Every distinct wording since 2010, newest first.
July 17, 2015 · Magic Origins
If a conspiracy, phenomenon, plane, scheme, or vanguard card would leave the command zone, it remains in the command zone.
July 1, 2012 · Magic 2013
If a plane, phenomenon, vanguard, or scheme card would leave the command zone, it remains in the command zone.
September 30, 2011 · Innistrad
If a plane, vanguard, or scheme card would leave the command zone, it remains in the command zone.
June 17, 2011 · Commander 2011
If a plane, vanguard, or scheme card would leave the command zone, it remains in the
February 4, 2011 · Mirrodin Besieged
If a plane, vanguard, or scheme card would leave the command zone, it remains in the command zone.
October 1, 2010 · Scars of Mirrodin
If a plane, vanguard, or scheme card would leave the command zone, it remains in the
June 18, 2010 · Archenemy
If a plane, vanguard, or scheme card would leave the command zone, it remains in the command zone.
February 1, 2010 · Worldwake
If a plane or vanguard card would leave the command zone, it remains in the command zone.