Siphon Power Feat 16
Source Pathfinder Advanced Player's Guide
Frequency once per day
Requirements You haven't acted yet on your turn.
You draw upon the reservoir of your patron's magic that resides within your familiar. During your turn, you can cast one spell your familiar knows that was granted by your patron's theme or lessons without spending a spell slot to do so (or even having it prepared). The spell must be at least 1 level lower than your highest-level witch spell slot.
Special This feat has the trait corresponding to the tradition of spells you cast (arcane, divine, occult, or primal).
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.
WitchThis indicates abilities from the witch class.