Frightcrawler is a common Creature — Horror card from Odyssey (ODY), collector number 138. Current market price: $0.10 (foil $1.97), TCGplayer market prices via Scryfall.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Threshold — As long as there are seven or more cards in your graveyard, this creature gets +2/+2 and can't block.