Hoofprints of the Stag is a rare Kindred Enchantment — Elemental card from Commander 2016 (C16), collector number 67. Current market price: $0.16, TCGplayer market prices via Scryfall.
Whenever you draw a card, you may put a hoofprint counter on this enchantment. {2}{W}, Remove four hoofprint counters from this enchantment: Create a 4/4 white Elemental creature token with flying. Activate only during your turn.