Historical Rules · 5 February 2021
Rule 901.11c
Official source text from the 5 February 2021 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 · 5 February 2021
Official source text from the 5 February 2021 Rules release
If a player planeswalks when there is more than one face-up plane card, that player planeswalks away from all such planes.