Deepway Navigator (ECL) from Lorwyn Eclipsed, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Jacob Walker
• Card Text:
  Flash
  When this creature enters, untap each other Merfolk you control.
  As long as you attacked with three or more Merfolk this turn, Merfolk you control get +1/+0.