Fleeting Spirit (DBL) from Innistrad: Double Feature, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Evyn Fong
• Card Text:
  W, Exile three cards from your graveyard: Fleeting Spirit gains first strike until end of turn.
  Discard a card: Exile Fleeting Spirit. Return it to the battlefield under its owner's control at the beginning of the next end step.