Snapping Fang Head is a common Elite Creature — Head card from Face the Hydra (TFTH), collector number 5. Current market price: $4.04, TCGplayer market prices via Scryfall.
At the beginning of the Hydra's end step, Snapping Fang Head deals 1 damage to each player. Hero's Reward — When Snapping Fang Head leaves the battlefield, each player gains 4 life and draws a card.