Widespread Brutality (WAR) from War of the Spark, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Victor Adame Minguez
• Card Text:
  Amass 2, then the Army you amassed deals damage equal to its power to each non-Army creature. (To amass 2, put two +1/+1 counters on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)