Historical Rules · 30 September 2011
Rule 810.10c
Official source text from the 30 September 2011 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 · 30 September 2011
Official source text from the 30 September 2011 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.