Historical Rules · 15 July 2011
Rule 701.20a
Official source text from the 15 July 2011 Rules release
A player may planeswalk only during a Planechase game. Only the planar controller may planeswalk. See rule 901, "Planechase."
Historical Rules · 15 July 2011
Official source text from the 15 July 2011 Rules release
A player may planeswalk only during a Planechase game. Only the planar controller may planeswalk. See rule 901, "Planechase."