There is a Legacy version
here.
Thaumaturgic Ritualist Feat 6*Uncommon Thaumaturge Source Dark Archives (Remastered) pg. 44Archetype Palatine Detective* This version of the Thaumaturgic Ritualist feat is intended for use with an archetype and has a different level for access than the
original feat.
Your studies into the supernatural have resulted in an especially strong knowledge of
rituals. You gain a +2 circumstance bonus to all primary checks to perform a ritual. You learn two uncommon rituals with a rank no higher than half your level; you must meet all prerequisites for casting the ritual to choose it. You can cast these as the primary caster, but you can't teach them to anyone else or allow someone else to serve as primary caster unless they know the ritual as well.
At 8th level and every 4 levels thereafter, you learn another uncommon ritual with a rank no higher than half your level and for which you meet the prerequisites.
Traits
Uncommon: Something of uncommon rarity requires special training or comes from a particular culture or part of the world. Some character choices give access to uncommon options, and the GM can choose to allow access for anyone. Less is known about uncommon creatures than common creatures. They typically can't be summoned. The DC of Recall Knowledge checks related to these creature is increased by 2.
Thaumaturge: This indicates abilities from the thaumaturge class.