Dismal Backwater - KTK Reprint (PLST) from The List, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Sam Burley
• Card Text:
  Dismal Backwater enters the battlefield tapped.
  When Dismal Backwater enters the battlefield, you gain 1 life.
  T: add U or B to your mana pool.