A number of feats from the base d20-system that Green Ronin removed from the game needs to be put back if you want to use the magic system that is used in the basic d20 rules.
The following feats are affected: Augment, Combat Casting, Empower Spell, Enlarge Spell, Eschew Materials, Extend, Greater Spell Focus, Greater Spell, Heighten Spell, Improved Counterspell, Natural Spell, Quicken Spell, Silent Spell, Spell Focus, Spell Mastery, Spell Penetration, Still Spell, Widen Spell.
Changes: