no idea about the DC throw, however...
a big challenger now!
DAK'KON'S ZERTH BLADE ("STREAMING BLADE")
Damage: 5-20 Slashing
Enchanted: +3
Special:
+6 to Armor Class
Doubles all 1st Level Mage Spells
Doubles all 2nd Level Mage Spells
Memorize 1 Additional 3rd Level Mage Spell
THAC0: +3
Speed: 6
Weight: 5
Proficiency: Edged
a one-handed longsword, I think.
I'd say, first of all, wizardry 1/2 + a bonus spell slot of Mage
then a +3 attack bonus, or more
then a +3 enhancement bonus, or more,
I am unsure about the base damage and that AC bonus...