Goblin Heelcutter (FRF) from Fate Reforged, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Jesper Ejsing
• Card Text:
  Whenever Goblin Heelcutter attacks, target creature can't block this turn.
  Dash 2R (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.)