Kinsbaile Borderguard is a rare Creature — Kithkin Soldier card from Morningtide (MOR), collector number 14. Current market price: $6.16 (foil $11.75), TCGplayer market prices via Scryfall.
This creature enters with a +1/+1 counter on it for each other Kithkin you control. When this creature dies, create a 1/1 white Kithkin Soldier creature token for each counter on it.