Sanctum Prelate (Foil) (CN2) from Conspiracy: Take the Crown, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Foil
• Artist: Winona Nelson
• Card Text:
  As Sanctum Prelate enters the battlefield, choose a number.
  Noncreature spells with the converted mana cost equal to the chosen number can't be cast.