Lantern Flare (DBL) from Innistrad: Double Feature, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Lie Setiawan
• Card Text:
  Cleave XRW (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
  Lantern Flare deals X damage to target creature or planeswalker and you gain X life. [X is the number of creatures you control.]