Let the experiment burn Decks and even Levels down!
RD/SJMP-JP020 燃焼鬼ブンゼル Nenshouki Bunzel (Combustion Ogre Bunsel)
Level 3 FIRE Pyro Effect Monster
[EFFECT] Send the top 2 cards of each Deck to the GY. Then, you can choose 1 face-up Level 3 to 8 monster your opponent controls and decrease its Level by 1 or 2 until the end of the turn.