Axgard Braggart is a common Creature — Dwarf Warrior card from Kaldheim (KHM), collector number 1. Current market price: $0.15 (foil $0.11), TCGplayer market prices via Scryfall.
Boast — {1}{W}: Untap this creature. Put a +1/+1 counter on it. (Activate only if this creature attacked this turn and only once each turn.)