Go Onizuka's monsters have been destroyed one after another though Revolver's tactics. His indomitable will to fight pushes him back to his feet, and, in this desperate situation with no apparent means of escape, he summons his ace monster, Gouki the Giant Ogre!
Since Booster Dragon was destroyed, I 
Special Summon a Dragon from my graveyard.
Da Booster Dragon zerstört wurde,
Como Booster Dragon fue destruido,
Como o Booster Dragon foi destruído,