Lignify is a common Kindred Enchantment — Treefolk Aura card from Duel Decks: Garruk vs. Liliana (DDD), collector number 16. Current market price: $1.03, TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature is a Treefolk with base power and toughness 0/4 and loses all abilities.