Okay, so I think I've settled on Paladin 1/Cleric 5, with the Strength and Sun domain (Mysticism is a prestige domain).
14 Str, 11 Dex, 16 Con, 10 Int, 18 Wis, 16 Cha.
Improved Init, Extend Spell, Craft Magic Arms and Armor, and Close-Quarter fighting.
Longsword, Full-plate, and a shield...