[Call Cost] Pay 1 Gauge.
When a <Neodragon> with this card in its Soul attacks, choose 1 Soul from your opponent's cards and put it in the Drop Zone. When a <Core Dragon> with this card attacks, you may discard 1 card from your hand. If you do, put the top card of your deck into the Soul of that <Core Dragon>.
[Core Set] x [Core React] (when your opponent activates an effect with Counter): Put this card into the Soul of a <Core Dragon> or <Neodragon> on your field. Then, destroy a size 1 or less monster or [Set] Spell on your opponent's field.