Choose sorcerer or Wizard. You may swap out a spell of your lowest level with a sorcerer or wizard spell of the same level. You use ability needed for the sorcerer or wizard power for its effects and attacks.
Adventurer Feat: When you use a sorcerer or wizard power, you may use your Wisdom bonus instead of the ability in the power.
Champion Feat: You may swap out a second cleric spell for a spell of our chosen class. You must still use a lower level spell instead of a higher level spell.
Epic Feat: You may swap out a higher level spell for a higher level spell of your chosen class.