Fogwalker - EMN Reprint (PLST) from The List, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Seb McKinnon
• Card Text:
  Skulk (This creature can't be blocked by creatures with greater power.)
  When Fogwalker enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step.