Cruel Reality (AKH) from Amonkhet, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Kieran Yanner
• Card Text:
  Enchant player
  At the beginning of enchanted player's upkeep, that player sacrifices a creature or planeswalker. If the player can't, he or she loses 5 life.