(Send 1 "Destruction Sword" card and 1 "Buster Blader" monster from your Deck to the Graveyard, except "Prologue of the Destruction Swordsman"; Special Summon 1 "Buster Dragon" from your Extra Deck or Graveyard, but destroy it during the End Phase of the next turn. You can banish this card from your Graveyard; this turn, "Destruction Sword" cards you control cannot be destroyed by battle or card effects. You can only activate 1 "Prologue of the Destruction Swordsman" per turn.)

(when the Buster Blader the fusion in the field i can't acitve Prologue of the Destruction Swordsman or summon Buster blader and Buster dragon in same time and that when they no link-point to summon and the Buster dragon in the gy and this card can summon it from gy also Buster dragon it synchro summoned it send to gy and now not work and im try summmon it form gy with no link-point not from extra deck that thing happen when no link-point and try summon it from gy not extra deck But not working)