Magic StoneSpell 1
Source Pathfinder Advanced Player's Guide
Traditions Divine, Primal
Cast
to 
Range touch
Target 1 to 3 non-magical stones or sling bullets
Duration 1 minute
You pour vitality energy into ordinary stones, granting them temporary magical properties. You can target 1 non-magical stone or sling bullet for every action you use Casting this Spell. The stones must be unattended or carried by you or a willing ally. The stones become +1 striking disrupting Sling Bullets. Each stone can be used only once, after which it crumbles to dust.
Spell Effect: Magic Stone
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
ConcentrateAn action with this trait requires a degree of mental concentration and discipline.
ManipulateYou must physically manipulate an item or make gestures to use an action with this trait. Creatures without a suitable appendage can't perform actions with this trait. Manipulate actions often trigger reactions.
VitalityEffects with this trait heal living creatures with energy from the Forge of Creation, deal vitality energy damage to undead, or manipulate vitality energy.