Rage Extractor (NPH) from New Phyrexia, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Raymond Swanland
• Card Text:
  ((R/P) can be paid with either R or 2 life.)
  Whenever you cast a spell with P in its mana cost, Rage Extractor deals damage equal to that spell's converted mana cost to target creature or player.