Fusion Summon 1 "Astryne" Fusion Monster from your Extra Deck, using monsters from your hand, field, and/or Deck as Fusion Material, including "Astryne, the Unmarked Starbearer". For the rest of this turn after this card resolves, you cannot Special Summon monsters from the Extra Deck, except Fusion Monsters. You can only activate 1 "Astryne Genesis" per turn.