The Sword Saint doesn't use magic for long-range blasting; they use it to buff their blade. Key Spells: (stacks with Canny Defense), Mirror Image (the ultimate survival tool), and Shocking Grasp (the bread and butter for Spell Strike). Magus Arcana: Prioritize Enduring Blade to make your weapon enhancements last longer and Prescient Attack to deny enemies their Dexterity bonus. 5. Tactical Execution
Do not pick Katana. It has a 18-20 range but requires Exotic Weapon Proficiency. The dueling sword also requires EWP, but its unique drops are superior.
+1 STR. Get Haste (Best spell in the game). Level 9: Feat: Improved Critical (Your chosen weapon). Now you crit on 15-20 (or 14-20 with a scimitar + feat). Level 11: Feat: Critical Focus (To confirm those massive crits). Magus Arcana (Lv 9): Prescient Attack (Targets flat-footed AC – use this before you hit level 12).
Guide for a Magus Sword Saint Build? : r/Pathfinder_Kingmaker