You can cast other energy spells using one type of energy.
Prerequisite: None.
Benefit: Choose one type of energy when you learn this feat. You can change the descriptor of energy spells to match that type of energy. You must make this decision when casting the spell, and the changed effect applies to all targets.
Power Cost: Energy Substitution uses up no additional Power points.
Special: You can take this metamagic feat multiple times, but the effects do not stack. Each time you take this feat you choose another type of energy.