Quenchable Fire (CON) from Conflux, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Jean-Sébastien Rossbach
• Card Text:
  Quenchable Fire deals 3 damage to target player. It deals an additional 3 damage to that player at the beginning of your next upkeep step unless he or she pays U before that step.