Grisly Transformation is a common Enchantment — Aura card from Born of the Gods (BNG), collector number 74. Current market price: $0.16 (foil $0.32), TCGplayer market prices via Scryfall.
Enchant creature When this Aura enters, draw a card. Enchanted creature has intimidate. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)