Hagi Mob is a common Creature — Troll Berserker card from Kaldheim (KHM), collector number 140. Current market price: $0.10 (foil $0.11), TCGplayer market prices via Scryfall.
Boast — {1}{R}: This creature deals 1 damage to any target. (Activate only if this creature attacked this turn and only once each turn.)