- Nightgaunt Servants: All land units may air drop within 6 tiles
- Strange Inspirations: +25% to Great Writer, Artist, Musician and Scientist generation
- Cannibalism (alternative): +4 food to all cities in the empire for each city being razed
- Prolonged Life: When consuming a Great Person, 25% chance that another Great Person of the same type is created
- Aquatic Hybrids: +1 production from ocean tiles
- Ape Hybrids: +2 faith from unimproved jungle tiles
- Aklo: Great works of Writing and Music produce +2 Culture and Tourism
- Shub-Internet: Upon discovery of the Internet, cultist activity doubles in enemy cities
- Langford's Basilisk: Upon discovery of the Internet, -25% research in enemy civs
I admit the last two are a bit outside of proper Lovecraftian gamut, but they're still fun mechanics.