Mustering of the Dark Scorpions

You can only activate this card when there is a face-up "Don Zaloog"(s) on your side of the field. You can Special Summon from your hand any of the cards that include "Dark Scorpion" in their card name, or are named "Cliff the Trap Remover". (You can only Special Summon up to 1 card with each card name.)