This Nexus can only be affected by effects that specify "Grandwalker Nexus". Cores can only be placed on this Nexus through the effect of "Core Charge" or effects that specify "Grandwalker Nexus", also, cores on this Nexus can't be moved except by effects that specify "Grandwalker Nexus".
Core Charge: ("Song Bird") (Song Bird & Ultimate/Brave) (Core Charge via Summon/Advent only once per turn) ◆When you summon/advent a target Spirit/Ultimate/Brave, put one core from the Void onto this Nexus. ◆When this Nexus is deployed, if you do not control a Nexus with the same card name as this card, send the top three cards of your deck to the trash. For each target card among them, put one core from the Void onto this Nexus.
Grand Skill: 1 [LV1][LV2] Flash -(Your Attack Step) - (Send one core from this Nexus to the Void) During this Battle, one of your "Song Bird" family Spirits/Ultimates can't be blocked by opposing [LV2]/[LV3] Spirits.
Grand Field [LV2] Opposing Spirits/Ultimates can't activate their effects, and are treated as "Yellow/Cost 0/"Pentan"-named/Family: Song Bird, Drifting Spirit/Level 1: 1 core, 1000 BP/ " Spirits.