Mardu Strike Leader (FRF) from Fate Reforged, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Jason Rainville
• Card Text:
  Whenever Mardu Strike Leader attacks, put a 2/1 black Warrior creature token onto the battlefield.
  Dash 3B (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)