If your opponent Normal or Special Summons a monster(s) (except during the Damage Step), or if an opponent's monster targets this card for an attack: You can return this card to the Extra Deck, then, you can Special Summon 1 "Melffy" Xyz Monster from your Extra Deck
Its a combination of manipulating your odds as much as possible and waiting patiently for the right time to start pulling cards
However, you almost never see it used fairly, because damage doublers like Dictate of the Twin Gods or Fiery Emancipation turn half into all. And thats just rude, though its also hilarious in the right group
Mono-black five-color good stuff here we come
You can only use this effect of "Kewl Tune Loudness War" once per turn
They also shifted mana symbols from colored circles to the letters W, U, B, R, G