Historical Rules · 26 September 2015
Rule 901.11c
Official source text from the 26 September 2015 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 · 26 September 2015
Official source text from the 26 September 2015 Rules release
If a player planeswalks when there is more than one face-up plane card, that player planeswalks away from all such planes.