Valley Flamecaller is a rare Creature — Lizard Warlock card from Bloomburrow (BLB), collector number 320. Current market price: $0.43 (foil $0.52), TCGplayer market prices via Scryfall.
If a Lizard, Mouse, Otter, or Raccoon you control would deal damage to a permanent or player, it deals that much damage plus 1 instead.