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This build is focused on combining Divine Casting and Monk abilities, with minor Arcane Casting, the ability to put Touch range spells in his fists, and some other fun cheese. This is a remake of a build that was once on wizards.com, but no longer exists. This is my interpretation.
Dungeon Master's Guide Player's Handbook I and II Complete Divine Complete Arcane Tome of Battle Unearthed Arcana Libris Mortis
 Game Rule Components
 Spells, Powers, Soulmelds, Stances, etc...
While this build doesn't have any set Spells it needs, it would be a smart idea to focus on Touch spells, since he can use these through his fists.
It is recommended that this build utilizes Nightsticks, an item from Libris Mortis that provides extra turning attempts, which will then be used to apply Persistent buffs using Divine Metamagic. Also, use the best Strength-enhancing item you can find, since you will be starting with 10 Strength, and no modifier.
Starting Ability Scores (Before Racial Adjustments): This build is made using 32 point buy. It needs at least 14 Intelligence, and should have focus in Dexterity, Constitution, and Wisdom (And Strength, if possible). Here's what I have: Str: 10 Dex: 14 Con: 15 Int: 14 Wis: 16 Cha: 8
Race (Templates): Human is the best race for this build, because of the bonus feat it provides. If your DM allows Flaws from Unearthed Arcana, you can choose a different race.
|Saving Throws||Feats|| Class
|1st||Monk 1||+0||+2||+2||+2||Apprentice (Criminal), Iron Will (Human Bonus Feat), Stunning Fist (Monk bonus feat), Improved Unarmed Strike (Monk bonus)||Flurry of Blows, Bonus Feat, Unarmed Strike, Wisdom to AC||4 ranks in Knowledge Arcane, Knowledge Religion, Concentration, and Bluff, 2 ranks in Spellcraft and Knowledge Planes.|
|2nd||Monk 2||+1||+3||+3||+3||Combat Reflexes (Monk Bonus)||Evasion, Bonus Feat||Add one rank to Knowledge Arcana, Knowledge Religion, Concentration, and Bluff|
|3rd||Monk 2, Duskblade 1||+2||+3||+3||+3||Spell Focus: Evil||Arcane Attunement||Add 1 rank Bluff, Knowledge Religion, and Knowledge Planes, and 2 ranks Spellcraft|
|4th||Monk 2, Duskblade 2||+3||+4||+3||+4||Combat Casting||Combat Casting||1 rank Knowledge Planes, Knowledge religion, and Concentration, and 2 ranks Spellcraft|
|5th||Monk 2, Duskblade 3||+4||+4||+4||+4||None||Arcane Channeling||1 rank Knowledge Planes, Knowledge Religion, and Concentration, and 2 ranks Spellcraft|
|6th||Monk 2, Duskblade 3, Ur-Priest 1||+4||+4||+4||+5||Extend Spell||Divine Casting||1 rank Concentration|
|7th||Monk 2, Duskblade 3, Ur-Priest 2||+5||+4||+4||+5||None||Rebuke Undead|
|8th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 1||+6||+5||+4||+5||Sacred Fist levels Stack with Monk for Unarmed Damage, +1 AC|
|9th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 2||+7||+5||+5||+5||Persistent Spell|
|10th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 3||+8||+6||+5||+6||+10 Movement Speed|
|11th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 4||+9||+6||+6||+6||Sacred Flames 1/day|
|12th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 5||+10||+7||+6||+6||Divine Metamagic: Persistent Spell|
|13th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 6||+11||+7||+7||+7||Blindsense 10 ft, +20 movement speed|
|14th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 7||+12||+8||+7||+7||+2 AC|
|15th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 8||+13||+8||+8||+7||Superior Unarmed Strike||Sacred Flames 2/day, +30 movement speed|
|16th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 9||+14||+9||+8||+8|
|17th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 10||+15||+9||+9||+8||Inner Armor|
|18th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 10, Enlightened Fist 1||+15||+10||+9||+9||Improved Natural Attack or Snap Kick, whichever preferred||Ki Strike (magic), Monk Abilities|
|19th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 10, Enlightened Fist 2||+16||+10||+10||+9||Fist of Energy|
|20th||Monk 2, Duskblade 3, Ur-Priest 2, Sacred Fist 10, Enlightened Fist 3||+17||+10||+10||+10||Arcane Fist|
 Other Components
The Apprentice (Criminal) feat allows you to add Bluff to your class skill list, which was needed to meet the requirements for Ur-Priest.
This build has the monk abilities of a mid- to high-level monk, ability to cast level 9 divine spells, the ability to add Wisdom to damage for 1 minute, 5th level Duskblade (arcane) casting, the ability to put touch spells into his unarmed attacks, the ability to use one spell slot for an all-day buff, and Wisdom to AC. Many bonuses to various things, all adding up to a great unarmed combatant/caster. And, as icing on the cake, all of his Base Saves are +10.
 Munchkin-Size Me
If flaws are allowed, find a race with a bonus to wisdom, and no LA. Use this with a flaw instead of Human. I'm sure others can find a way to Munchkin this way more, but I can't think of any way right now.
 Side Notes
This build has to use Turning attempts to make Persistent Spell work with Divine Metamagic. I have suggested the Nightstick item for this, but if you find a feat you don't want in the build, you can replace it with Extra Turning.
This build cannot use weapons. It cannot wear armor. If you increase the Wisdom correctly, this should not be a problem. However, if this build somehow takes Wisdom damage, it is very badly impacted.
 DM Counters
Anti-Magic Field. Spells don't work, leaving him with just his monk abilities. Which probably aren't enough for him to win.