Elder Gargaroth - Promo Pack (PM21) from Core Set 2021, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Nicholas Gregory
• Card Text:
  Vigilance, reach, trample
  Whenever Elder Gargaroth attacks or blocks, choose one —
  • Create a 3/3 green Beast creature token.
  • You gain 3 life.
  • Draw a card.