add_randomised_double_moon_modifier_effect

add_randomised_double_moon_modifier_effect = {
	hidden_effect = {
		scope:double_moon_book = {
			random_list = {
				1 = {
					add_artifact_modifier = artifact_prowess_2_modifier
					set_artifact_description = double_moon_tome_desc_1
				}
				1 = {
					add_artifact_modifier = artifact_knight_effectiveness_4_modifier
					set_artifact_description = double_moon_tome_desc_2
				}
				1 = {
					add_artifact_modifier = artifact_stewardship_1_modifier
					set_artifact_description = double_moon_tome_desc_3
				}
				1 = {
					add_artifact_modifier = artifact_diplomacy_1_modifier
					set_artifact_description = double_moon_tome_desc_4
				}
				1 = {
					add_artifact_modifier = artifact_health_gain_1_modifier
					set_artifact_description = double_moon_tome_desc_5
				}
				1 = {
					add_artifact_modifier = artifact_monthly_minor_prestige_3_modifier
					set_artifact_description = double_moon_tome_desc_6
				}
				1 = {
					add_artifact_modifier = artifact_monthly_prestige_3_modifier
					set_artifact_description = double_moon_tome_desc_7
				}
				1 = {
					add_artifact_modifier = artifact_dynasty_opinion_2_modifier
					set_artifact_description = double_moon_tome_desc_8
				}
				1 = {
					add_artifact_modifier = artifact_learn_language_scheme_phase_duration_add_2_modifier
					set_artifact_description = double_moon_tome_desc_9
				}
				1 = {
					add_artifact_modifier = artifact_diplomacy_per_prestige_level_modifier
					set_artifact_description = double_moon_tome_desc_10
				}
				1 = {
					add_artifact_modifier = artifact_mercenary_hire_cost_mult_2_modifier
					set_artifact_description = double_moon_tome_desc_11
				}
				1 = {
					add_artifact_modifier = artifact_general_opinion_1_modifier
					set_artifact_description = double_moon_tome_desc_12
				}
				1 = {
					add_artifact_modifier = artifact_independent_ruler_opinion_2_modifier
					set_artifact_description = double_moon_tome_desc_13
				}
				1 = {
					add_artifact_modifier = artifact_clergy_opinion_2_modifier
					set_artifact_description = double_moon_tome_desc_14
				}
			}
		}
	}
}

As written in game/common/scripted_effects/07_dlc_ep3_scripted_effects.txt.