You have greater power when manipulating the energies of your heritage.
Prerequisites: Draconic Heritage, sorcerer level 1st.
Benefit: Your caster level increases by one, and you add 1 to the save DC of all arcane spells with the descriptor or subschool associated with your draconic heritage.
Special: This feat works in conjunction with the Energy Substitution feat as long as the substituted energy matches the energy type associated with your draconic heritage.
Source: Races of the Dragon, page 104. This version deprecates the one in Complete Arcane, page 78.