If you control an "Astryne" monster, or if an "Astryne" Fusion Monster is in your GY: You can Special Summon this card from your hand. You can only Special Summon "Astryne, Ashbound Seamstress" once per turn this way. During the Main Phase (Quick Effect): You can Fusion Summon 1 "Astryne" Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Material. During the End Phase, if this card is in your GY because it was sent there as Fusion Material this turn: You can add this card to your hand. You can only use each effect of "Astryne, Ashbound Seamstress" once per turn.