I SUMMON TYPE:NULL AND ACTIVATE HIS EFFECT. DISCARDING A CARD A MONSTER CARD FROM MY HAND I CAN PICK A CARD WITH THE SAME TYPE AND ATRIBUTTE TO MY HAND. I PICK SILVALLY AND USE HIS EFFECT. BY TRIBUTING MY TYPE:NULL I CAN SPECIAL SUMMON MY SILVALLY AND CONTINUE WITH HIS EFFECT, I CAN BANISH A MONSTER CARD FROM MY GRAVEYARD, NOW ALL MONSTERS WHO AREN'T
FROM THE SAME TYPE AND ATRIBUTE ARE DESTROYED. THIS IS THE END. NOW YOU HAVE NO MONSTER TO DEFEND YOURSELF.