Clerical Work: Specialty Priests of Cyric for D&D 5th Edition

I'm importing the idea of Specialty Priests and channeling a bit of DnD 4E by treating them as Feats.

Specialty Priests of Cyric

Strifeleaders Feat

Prerequisite: Cleric with Trickery Divine Domain

• You have advantage on Saving throws against spells from the illusion school of magic.

• You gain proficiency in Disguise kits or one language of your choice.