Gonti's Machinations (AER) from Aether Revolt, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Daarken
• Card Text:
  Whenever you lose life for the first time each turn, you get E. (You get an energy counter. Damage causes loss of life.)
  Pay EE, Sacrifice Gonti's Mechinations: Each opponent loses 3 life. You gain life equal to the life lost this way.