Dreadhorde Twins (WAR) from War of the Spark, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Johannes Voss
• Card Text:
  When Dreadhorde Twins enters the battlefield, 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.)
  Zombie tokens you control have trample.