Embercleave - Promo Pack (PELD) from Throne of Eldraine, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Joe Slucher
• Card Text:
  Flash
  This spell costs 1 less for each attacking creature you control.
  When Embercleave enters the battlefield, attach it to target creature you control.
  Equipped creature gets +1/+1 and has double strike and trample.
  Equip 3