Lurking Crocodile (M12) from Magic 2012, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Donato Giancola
• Card Text:
  Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)
  Islandwalk (This creature is unblockable as long as defending player controls an Island.)