This Nexus can only be affected by effects that specify "Grandwalker Nexus". Core can only be placed on this Nexus through the effect of "Core Charge" or effects that specify "Grandwalker Nexus", also, core on this Nexus can not be moved except by effects that specify "Grandwalker Nexus".
Core Charge: ("Fairy"/"Celeste"/"Avatar" & Cost 3 or higher) (Fairy & Magic) "
◆When you Summon/Advent a target Spirit or use a target Magic, 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, place one core from the void onto this Nexus.
[LV1][LV2] This Nexus' symbol is also treated as Yellow.
Grand Skill: 6 [LV1][LV2] Flash (Start of Your Attack Step) - (Send six cores from this nexus to the Void) During this turn, an opposing Spirit/Ultimate can't activate its effects, and is unaffected by any other effects. Also, at the start of this Step, it attacks the opponent even if exhausted, and at the end of the battle, returns to the deckbottom.
Grand Field [LV2] (Either Attack Step) Decrease the Cost of Yellow Magic cards on your hand by -1.
Rulings:
1) When there are two or more copies of this Nexus on field, all of them can activate their Grand Skills in the same Attack Step. However, only the last Spirit/Ultimate targeted will attack and be sent to bottom.
2) When an opposing Spirit/Ultimate attacks the opponent due to this Nexus' Grand Skill, you can activate your set Burst with the condition "After an opponent's Spirit/Ultimate attacks".
3) When an opposing Spirit/Ultimate attacks the opponent due to this Nexus' Grand Skill, Flash Timing occurs as normal, with the opponent performing their Flash Timing first.