Albigois
Before a battle, you may discard all faith (at least 1) in order to double all your and enemy's drawn from the bag. Recruit in castles* / barracks: 1 = 1 + 1 + 4
Catharism
After winning a battle within a foreign community, inflict heresy in that religious community. If that community is already heretical, replace all your military units in that community with albigois