Burning-Tree Bloodscale is a common Creature — Lizard Berserker card from Guildpact (GPT), collector number 104. Current market price: $0.04 (foil $0.27), TCGplayer market prices via Scryfall.
Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.) {2}{R}: Target creature can't block this creature this turn. {2}{G}: Target creature blocks this creature this turn if able.