Wurmweaver Coil is a rare Enchantment — Aura card from RNA Guild Kit (GK2), collector number 86. Current market price: $0.18, TCGplayer market prices via Scryfall.
Enchant green creature Enchanted creature gets +6/+6. {G}{G}{G}, Sacrifice this Aura: Create a 6/6 green Wurm creature token.