Wurmweaver Coil is a rare Enchantment — Aura card from Guildpact (GPT), collector number 99. Current market price: $0.28 (foil $0.35), 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.