Korean Yugioh PP16-KR009 “Fossil Machine Skull Buggy” Secret

1 Rock monster in your GY + 1 Level 4 or lower monster
Must first be Special Summoned with “Fossil Fusion”. When this card destroys an opponent’s monster by battle: You can inflict 600 damage to your opponent. You can banish this card from your GY; add 1 monster that specifically lists “Fossil Fusion” in its text from your Deck to your hand. You can only use this effect of “Fossil Machine Skull Buggy” once per turn.