Changing limit of Yorishiro before Floating Gate stops spawning?

Hello, new to aoe4 Modding. How can we increase the maximum amount of Yorishiro before Floating Gate stops spawning?
I looked up in attributes
Also, how can I change the benefit provided by Yorishiro?
ebps:
sacred_object_jpn in
building_landmark_age2_shinto_jpn
sbps:
unit_monk_shinto_jpn
unit_monk_shinto_landmark_jpn
abilities:
monk_shinto_deposit_sacred_object_jpn
shinto_landmark_sacred_object_spawner_jpn