Wurmweaver Coil
Guildpact — rare
Enchantment — Aura
Wurmweaver Coil rulings:
2006-02-01: Wurmweaver Coil can enchant only a green creature. It can’t enter the battlefield attached to a nongreen creature, it can’t be moved onto a nongreen creature, and if the creature it’s attached to stops being green, the Aura is put into its owner’s graveyard.