add_2_scaled_artifact_modifier_intrigue_effect

add_2_scaled_artifact_modifier_intrigue_effect = {
	random_list = {
		pick = 2
		unique = yes
		# owned_hostile_scheme_success_chance_add
		20 = {
			if = {
				limit = {
					rarity = common
				}
				random_list = {
					20 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_1_modifier
					}
					15 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_2_modifier
					}
					5 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_3_modifier
					}
				}
			}
			else_if = {
				limit = {
					rarity = masterwork
				}
				random_list = {
					20 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_4_modifier
					}
					15 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_5_modifier
					}
					5 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_6_modifier
					}
				}
			}
			else_if = {
				limit = {
					rarity = famed
				}
				random_list = {
					20 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_7_modifier
					}
					15 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_8_modifier
					}
					5 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_9_modifier
					}
				}
			}
			else_if = {
				limit = {
					rarity = illustrious
				}
				random_list = {
					20 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_10_modifier
					}
					15 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_11_modifier
					}
					5 = {
						add_artifact_modifier = artifact_owned_hostile_scheme_success_chance_add_12_modifier
					}
				}
			}
		}
		# owned_personal_scheme_success_chance_add
		20 = {
			if = {
				limit = {
					rarity = common
				}
				random_list = {
					20 = {
						add_artifact_modifier = artifact_owned_personal_scheme_success_chance_add_1_modifier
					}
					15 = {
						add_artifact_modifier = artifact_owned_personal_scheme_success_chance_add_2_modifier
					}
					5 = {
						add_artifact_modifier = artifact_owned_personal_scheme_success_chance_add_3_modifier
					}
				}
			}
			else_if = {
				limit = {
					rarity = masterwork
				}
				random_list = {
					20 = {
						add_artifact_modifier = artifact_owned_personal_scheme_success_chance_add_4_modifier
					}
					15 = {
						add_artifact_modifier = artifact_owned_personal_scheme_success_chance_add_5_modifier
					}
					5 = {
						add_artifact_modifier = artifact_owned_personal_scheme_success_chance_add_6_modifier
					}
				}
			}
			else_if = {
				limit = {
					rarity = famed
				}
				random_list = {
					20 = {
						add_artifact_modifier = artifact_owned_personal_scheme_success_chance_add_7_modifier
					}
					15 = {
						add_artifact_modifier = artifact_owned_personal_scheme_success_chance_add_8_modifier
					}
					5 = {
						add_artifact_modifier = artifact_owned_personal_scheme_success_chance_add_9_modifier
					}
				}

As written in game/common/scripted_effects/00_ep1_artifact_creation_effects.txt.