Nafiri, Darkin Hound

Pack Tactics — Whenever Nafiri, Darkin Hound attacks, if you attacked with creatures with total power 6 or greater this combat, for each attacking creature, Nafiri deals 1 damage to target opponent. Treat this damage as commander damage.
Whenever a player loses the game due to commander damage dealt by Nafiri, create six 1/1 black and red Dog Horror creature tokens with haste.