I always hated magic thrown weapons. Unless you have a returning weapon, its gonna be rough. Let’s help with this
Throwing Gloves Item 8+
Usage worn gloves; Bulk L
These leather gloves show signs of ware and tare, but never break. When you throw weapon or item that does not have a rune, the weapon gains the striking and potency properties based on the level of the gloves.
Price 500 gp
The throw weapon or item gains the striking and +1 weapon potency properties.
Throwing Gloves (Greater) Item 13
Price 3000 gp
The throw weapon or item gains the striking (greater) and +2 weapon potency properties.
Throwing Gloves (Major) Item 20
Price 70000 gp
The throw weapon or item gains the striking (major) and +3 weapon potency properties.