2007-02-01 : Each time a source deals damage to you, you may pay {1}. You can’t pay more than {1}, even if more than 1 damage was dealt.

2007-02-01 : If several sources deal damage to you simultaneously (for example, several attacking creatures), this ability triggers once for each source.

2007-02-01 : If the damage reduces you to 0 or less life, you lose the game before Circle of Affliction’s ability has a chance to give you life.

2007-02-01 : The player you target doesn’t have to be the controller of the source that dealt damage to you.