Historical Rules · 25 September 2014
Rule 901.11c
Official source text from the 25 September 2014 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 · 25 September 2014
Official source text from the 25 September 2014 Rules release
If a player planeswalks when there is more than one face-up plane card, that player planeswalks away from all such planes.