Runed Halo - M21 Reprint (PLST) from The List, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Steve Prescott
• Card Text:
  As Runed Halo enters the battlefield, choose a card name.
  You have protection from the chosen card name. (You can't be targeted, dealt damage, or enchanted by anything with that name.)