Welsh Warrior
Chieftain

Why not include them as a Civilization?
Leader - Joseph Smith or Brigham Young or Donny Osmond or Orrin Hatch.
Phalanxes of missionaries in God's Army.
They would strike fear in the hearts of other players.
Battle sound effects could be the sound of a door knocking.
Population increase would be rapid.
Holy wars would be commonplace.
No separation between church and state.
Very Conservative.
Tabernacles instead of cathedrals. Stake houses instead of churches.
Wonder - Salt Lake City Temple.
Expansionist.
Polytheism could be replaced with Polygamy.
I think it's a marvellous idea.
They could actually begin as the Lost Tribe of Egypt.
There could be wars againt Jehova's Witnesses and Jesuits.
Battle cries of "oh my heck", "gosh" and "darn it".