Blind Hunter is a common Creature — Bat card from Guildpact (GPT), collector number 102. Current market price: $0.10 (foil $0.40), TCGplayer market prices via Scryfall.
Flying Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, target player loses 2 life and you gain 2 life.