"[Event]
Choose a Cost 4 or less Z/X in Normal Square that is attacking your [Metal Fortress] in Square, and return it to hand. [Auto]
"Suguru"
Resource
This card is put into Resource.
If you have a "Pierce-Through Slaying Emperor, Cyclotron" in your Resource, reveal 3 cards from the top of your deck, for each card with "Cyclotron" in its card name among them, choose one of your opponent's Z/X in Normal Square, and return it to hand. Return the revealed cards to the top of deck in any order."