Star Seraph Sovereignty (CRBR-EN046) [Crossover Breakers]

Cannot be used as material for an Xyz Summon, except for an Xyz Summon that uses 3 or more monsters as material. If you Normal or Special Summon a "Star Seraph" monster(s), except during the Damage Step: You can Special Summon this card from your hand, and if you do, draw 1 card, then you can Special Summon it if it is a "Star Seraph" monster.