Historical Rules · 1 June 2014
Rule 400.4b
Official source text from the 1 June 2014 Rules release
If a plane, phenomenon, vanguard, or scheme card would leave the command zone, it remains in the command zone.
Historical Rules · 1 June 2014
Official source text from the 1 June 2014 Rules release
If a plane, phenomenon, vanguard, or scheme card would leave the command zone, it remains in the command zone.