Historical Rules · 1 May 2013
Rule 810.10c
Official source text from the 1 May 2013 Rules release
If an effect says that a player can't get poison counters, no player on that player's team can get poison counters.
Historical Rules · 1 May 2013
Official source text from the 1 May 2013 Rules release
If an effect says that a player can't get poison counters, no player on that player's team can get poison counters.