Elvish Warmaster - Promo Pack (PKHM) from Kaldheim, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Alexander Mokhov
• Card Text:
  Whenever one or more other Elves enters the battlefield under your control, create a 1/1 green Elf Warrior creature token. This ability triggers only once each turn.
  5GG: Elves you control get +2/+2 and gain deathtouch until end of turn.