If this card was revealed by your Red effect or sent to the trash, you may add it to your hand. If it is added from your Trash to your hand, put one core from the Void to your Red-only Grandwalker Nexus.
Flash - Destroy an opposing Spirit/Ultimate with two symbols or more. Also, by sending one core from your Red-only Grandwalker Nexus to the Void, this card returns to your hand.