[LV1][LV2] All your Spirits gain the following effect: (When Attacks) By exhausting an opposing Spirit/Ultimate, put one core from the Void to this Spirit.
[LV2](When Attacks) You may send four core from your Green Grandwalker Nexus(es) to the Void. When you've done so, return four opposing exhausted Spirits/Ultimates to the hand. For each Spirit/Ultimate returned to the Hand by this effect, refresh one Green Spirit you control.