OK, how about this. I haven't verified skill ranks... it's definitely MAD Int/Cha, but whatevs.
Human, 2 flaws or 1 flaw and retraining Precocious Apprentice at 4th level; fractional BAB.
Conjurer 1 (Precocious Apprentice, Spell Focus: Conjuration, Practiced Spellcaster (Wizard), Extend Spell, Scribe Scroll)
Binder 1
Master Specialist 1 (Improved Binding, Skill Focus: Spellcraft)
Anima Mage 1
Divine Bard 1
Escalation Mage 1 (Combat Casting)
Mindbender 1
Human Paragon 1
Beguiler 1 (Spell Focus: Enchantment)
Mystic Theurge 1
Sublime Chord 1
Dweomerkeeper 1 (Skill Focus: Knowledge [Religion])
Paragnostic Apostle 1
Divine Oracle 1
Sacred Exorcist 1 (Combat Casting)
Ruathar 1
Abjurant Champion 1
Incantatrix 1 (Persistent Spell, Free)
Archmage 1
Loremaster 1
You get 1st-level Beguiler casting, 2nd-level Divine Bard casting, 6th-level Conjurer casting, and 10th-level Sublime Chord casting.