Star Seraph Sovereignty

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.