Nemesis Trap (Foil) (WWK) from Worldwake, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Foil
• Artist: Ryan Pancoast
• Card Text:
  If a white creature is attacking, you may pay BB rather than pay Nemesis Trap's mana cost.
  Exile target attacking creature. Put a token that's a copy of that creature onto the battlefield. Exile it at the beginning of the next end step.