When this card you control is destroyed (either by battle or by card effect) and sent to your Graveyard: You can Special Summon 1 'Dragonstar' monster from your Deck in face-up Defense Position, except 'Wind Dragonstar Horou'. You can only use this effect of 'Wind Dragonstar Horou' once per turn. Once per turn, during your opponent's Main Phase or Battle Phase: You can Synchro Summon 1 Synchro Monster using only 'Dragonstar' monsters you control as the Synchro Material Monsters (this is a Quick Effect). A Synchro Monster Summoned by using this card as a Synchro Material Monster is unaffected by the effects of Spell Cards.