I disagree, but I'll cede the change to you in the interest of progress.
Morrigan, Harbinger of Strife: Earn

,

, and

Points from kills (1CS = 1 yield scaling with gamespeed). +2

from Barracks, Armories and Citadels.
Epona, the Great Mare: +12

, +12

, and +12

when your Borders expand, scaling with Era.
Bran, the Sleeping Guardian: +10 HP Healed in friendly territory, +25% Growth, and +12

when a Citizen is born, scaling with era.
Lugh, the Skilled One: +2

, +2

, and +2

in Cities with a Specialist, scaling with era.
Dagda, the All-Father: +1

, +1

, +1

, and +1

for every 4 Followers of your Pantheon in owned cities. (No change)
Ogma, the Learned: +1

for every 3 Citizens in a city, and +3

+3

Great Scientist points in the

Capital. +

equal to science per turn when you discover a tech.
Nuada, the Silver-Handed King: +1

for every 10

per turn, and +1 Golden Age

Points for every 5

per turn. +2

Gold per Market and City Connection.
Rhiannon, Goddess of Sovereignty: +1

in every city, scaling with era. +1

and +1

from any tile with an improved resource.
Mannanan, Son of the Sea: +4

, +4

, and +4

in coastal Cities.
Cernunnos, the Horned Stag: +1

and

from Forests, +1

and

from Jungles. +1

from Camps and + 1

,

&

from plantations.
and a Nerf:
Pictish warriors unlock at Bronze Working. (not mining.)
How is this?