Smiting Helix (MH1) from Modern Horizons, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Evan Shipard
• Card Text:
  Smiting Helix deals 3 damage to any target and you gain 3 life.
  Flashback RW (You may cast this card from your graveyard for its flashback cost. Then exile it.)