Moonring Island (SHM) from Shadowmoor, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Brandon Kitkouski
• Card Text:
  (T: Add U to your mana pool.)
  Moonring Island comes into play tapped.
  U, T: Look at the top card of target player's library. Play this ability only if you control two or more blue permanents.