Dwarven Hammer (KHM) from Kaldheim, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Raoul Vitale
• Card Text:
  When Dwarven Hammer enters the battlefield, you may pay 2. If you do, create a 2/1 red Dwarf Berserker creature token, then attach Dwarven Hammer to it.
  Equipped creature gets +3/+0 and has trample.
  Equip 3