Rootcoil Creeper (DBL) from Innistrad: Double Feature, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Iris Compiet
• Card Text:
  T: Add one mana of any color.
  T: Add two mana of any one color. Spend this mana only to cast spells from your graveyard.
  GU, T, Exile Rootcoil Creeper: Return target card with flashback you own from exile to your hand.