A general schema, adapt for yourself:
type: entities
entities:
- type: custom:multiple-entity-row
entity: sun.sun
card_mod:
style: |
div.entity:nth-child(2) state-badge {
{% if ... -%}
--card-mod-icon: mdi:xxx;
{%- else -%}
--card-mod-icon: mdi:yyy;
{%- endif %}
}
entities:
- entity: sun.sun
- entity: sun.sun
name: false
icon: true
- entity: sun.sun
name: false
icon: true