Bristlebane Battler is a rare Creature — Kithkin Soldier card from Lorwyn Eclipsed Promos (PECL), collector number 168p. Current market price: $0.69 (foil $1.10), TCGplayer market prices via Scryfall.
Trample, ward {2} This creature enters with five -1/-1 counters on it. Whenever another creature you control enters while this creature has a -1/-1 counter on it, remove a -1/-1 counter from this creature.