Wyrmgrafter

 
Prerequisite(s): Heal 10+ ranks, Knowledge (Arcana) 5+ ranks
 
Benefit: You can create draconic grafts and apply them to other creatures or to yourself. Creating a draconic graft takes one day for each 1000gps in it's price. To create a graft, you must spend 1/25th of the graft's price in XP and use up raw materials costing 1/2 the price.
 
Source: Races of the Dragon