If a player has ten or more poison counters, that player loses the game the next time a player would receive priority. (This is a state-based action. See rule 704.)
September 30, 2011 · Innistrad
If a player has ten or more poison counters, he or she loses the game the next time a player would receive priority. (This is a state-based action. See rule 704.)
June 17, 2011 · Commander 2011
If a player has ten or more poison counters, he or she loses the game the next time a player
February 4, 2011 · Mirrodin Besieged
If a player has ten or more poison counters, he or she loses the game the next time a player would receive priority. (This is a state-based action. See rule 704.)
October 1, 2010 · Scars of Mirrodin
If a player has ten or more poison counters, he or she loses the game the next time a player
February 1, 2010 · Worldwake
If a player has ten or more poison counters, he or she loses the game the next time a player would receive priority. (This is a state-based action. See rule 704.)