Star Seraph Sovereignty (WSUP-EN020) [World Superstars]

Cannot be used as an Xyz Material for an Xyz Summon, except for an Xyz Summon that uses 3 or more monsters as Xyz Materials. 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.