I made a little ACF for Savant which turns her into spellshaping variant of the beguiler. Sorry for clunky wording.
Savvy Trickster
Some savants, instead of academic lore, gather wisdom of rogues and other scoundrels.
Class: Savant.
Level: 1st.
Replaces: You do not gain the Savant's Knowledge and Scholar's Cantrips class features.
Benefit: At first level you treat Appraise, Balance, Bluff, Climb, Disable Device, Disguise, Escape Artist, Forgery, Jump, Listen, Move Silently, Open Lock, Sense Motive, Sleight of Hand, Speak Language, Spot, Swim and Tumble as class skills. In addition, you receive trapfinding (as rogue).
At 5th level, your formulae become more effective when shaped against an unwary foe. All of following abilities affects only opponents which are denied a Dexterity bonus to AC (whether they actually has a Dexterity bonus or not).
At 5th level, you gain a +1 bonus to the save DC of any shaped formulae.
At 8th level, you gain a +2 bonus on rolls made to overcome the spell resistance.
At 11th level, you deal additional two dices of of damage with a spellshape attack.
At 14th level, your bonus to DC increase to +2.
At 17th level, you automatically overcome spell resistance of any foe.
At 20th level, the number of additional dices of damage of a spellshape attack increases to five.