Historical Rules · 11 November 2016
Rule 901.11c
Official source text from the 11 November 2016 Rules release
If a player planeswalks when there is more than one face-up plane card, that player planeswalks away from all such planes.
Historical Rules · 11 November 2016
Official source text from the 11 November 2016 Rules release
If a player planeswalks when there is more than one face-up plane card, that player planeswalks away from all such planes.