Warbriar Blessing (THB) from Theros Beyond Death, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Michele Parisi
• Card Text:
  Enchant creature you control
  When Warbriar Blessing enters the battlefield, enchanted creature fights up to one target creature you don't control. (Each deals damage equal to its power to the other.)
  Enchanted creature gets +0/+2.