- Flash - Sound Speed (Either Attack Step) You can summon this card from your hand by paying the cost from either your Reserve or by paying from your Red/Green Grandwalker Nexus(es) and sending the cores to the Void.
Q1: What is Sound Speed's effect?
A1: During Flash-timing, you can summon a card with Sound Speed from your hand, by paying the cost from either your Reserve or by paying from a Red/Green Grandwalker Nexus and sending the cores to the Void. The cores to be put on the summoned Spirit can be moved from your Reserve/Field.
Q2: When I'm summoning a Cost 3 Spirit through Sound Speed, can I pay the cost by moving one core from my Reserve to Trash, one core from my Red Grandwalker Nexus to the Void, and one core from my Green Grandwalker Nexus to the Void?
A2: Yes, you can pay the cost in this way.