Stone Idol Trap (WWK) from Worldwake, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Jung Park
• Card Text:
  Stone Idol Trap costs 1 less to cast for each attacking creature.
  Put a 6/12 colorless Construct artifact creature token with trample onto the battlefield. Exile it at the beginning of your next end step.