While looking for a good CC caster build with good ranged dps i came up with this.
Im pretty new at this multiclassing thing, so advices will be greatly appreciated.
My first thought was to max int and con and put rest in dex for to-hit, and use insightful damage scrolls to use the int to damage.
Also, i want this build to be reliable on epics.
Thanks for reading

Code:
Character Plan by DDO Character Planner Version 03.14.02
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Level 20 Neutral Good Elf Male
(18 Wizard \ 2 Artificer) 
Hit Points: 236
Spell Points: 2172 
BAB: 10\10\15\20
Fortitude: 10
Reflex: 10
Will: 14

                  Starting          Feat/Enhancement
Abilities        Base Stats          Modified Stats
(36 Point)       (Level 1)             (Level 20)
Strength              8                    11
Dexterity            14                    19
Constitution         16                    19
Intelligence         18                    29
Wisdom                8                    11
Charisma              8                    11

Tomes Used
+3 Tome of Strength used at level 20
+3 Tome of Dexterity used at level 20
+3 Tome of Constitution used at level 20
+3 Tome of Intelligence used at level 20
+3 Tome of Wisdom used at level 20
+3 Tome of Charisma used at level 20

                  Starting          Feat/Enhancement
                 Base Skills         Modified Skills
Skills           (Level 1)            (Level 20)
Balance               2                     4
Bluff                -1                     0
Concentration         3                     8
Diplomacy            -1                     0
Disable Device        n/a                  n/a
Haggle               -1                     0
Heal                 -1                     0
Hide                  2                     4
Intimidate           -1                     0
Jump                 -1                     0
Listen               -1                     2
Move Silently         2                     4
Open Lock             n/a                   n/a
Perform              n/a                    n/a
Repair                4                    10
Search                4                    12
Spot                 -1                     2
Swim                 -1                     0
Tumble                n/a                   n/a
Use Magic Device     n/a                    n/a

Level 1 (Artificer)
Feat: (Past Life) Past Life: Artificer
Feat: (Past Life) Past Life: Barbarian
Feat: (Past Life) Past Life: Favored Soul
Feat: (Selected) Toughness


Level 2 (Artificer)


Level 3 (Wizard)
Feat: (Wizard Bonus) Mental Toughness
Feat: (Selected) Point Blank Shot


Level 4 (Wizard)


Level 5 (Wizard)


Level 6 (Wizard)
Feat: (Selected) Spell Focus: Enchantment


Level 7 (Wizard)


Level 8 (Wizard)


Level 9 (Wizard)
Feat: (Selected) Rapid Shot


Level 10 (Wizard)


Level 11 (Wizard)


Level 12 (Wizard)
Feat: (Selected) Greater Spell Focus: Enchantment
Feat: (Wizard Bonus) Improved Mental Toughness


Level 13 (Wizard)


Level 14 (Wizard)


Level 15 (Wizard)
Feat: (Selected) Precise Shot


Level 16 (Wizard)


Level 17 (Wizard)
Feat: (Wizard Bonus) Heighten Spell


Level 18 (Wizard)
Feat: (Selected) Improved Critical: Ranged Weapons


Level 19 (Wizard)


Level 20 (Wizard)
Enhancement: Artificer Crossbow Damage I
Enhancement: Artificer Improved Rune Arm Use I
Enhancement: Elven Arcanum I
Enhancement: Elven Arcanum II
Enhancement: Elven Arcanum III
Enhancement: Elven Arcanum IV
Enhancement: Elven Dexterity I
Enhancement: Elven Dexterity II
Enhancement: Racial Toughness I
Enhancement: Racial Toughness II
Enhancement: Improved Concentration I
Enhancement: Improved Concentration II
Enhancement: Improved Concentration III
Enhancement: Improved Concentration IV
Enhancement: Charged Spellcasting I
Enhancement: Charged Spellcasting II
Enhancement: Deadly Shocks I
Enhancement: Deadly Shocks II
Enhancement: Deadly Shocks III
Enhancement: Storm Manipulation I
Enhancement: Storm Manipulation II
Enhancement: Storm Manipulation III
Enhancement: Storm Manipulation IV
Enhancement: Storm Manipulation V
Enhancement: Wizard Spell Penetration I
Enhancement: Wizard Spell Penetration II
Enhancement: Wizard Spell Penetration III
Enhancement: Wizard Energy of the Scholar I
Enhancement: Wizard Energy of the Scholar II
Enhancement: Wizard Energy of the Scholar III
Enhancement: Wizard Energy of the Scholar IV
Enhancement: Wizard Intelligence I
Enhancement: Wizard Intelligence II
Enhancement: Wizard Intelligence III
Enhancement: Wizard Archmage I
Enhancement: Wizard Archmage II
Enhancement: Wizard Archmage III
Enhancement: Wizard Archmage IV
Enhancement: Wizard Archmage V
Enhancement: Archmage Spell Mastery I: Enchantment
Enhancement: Archmage Spell Mastery II: Enchantment