You can use this card effectively in a Gagaga Deck, as usually you'll Summon monsters with different levels, and use their effects to successfully Xyz Summon.
This card can be effective in Yang Zing decks; it will lock most Xyz-based decks and still allow you to Special Summon your monsters, as all of the "Yang Zing" monsters have different levels.
This card can be used against a "Burning Abyss" Deck, being majority of the monsters as Level 3.
Use this card in Gladiator Beast decks since you can perform contact fusions with face down materials. Even though And the Band Played On is on the actived on the field, Gladiator Beast Gyzarus lets you special summon 2 Gladiator Beast from your deck with the same level since they are summoned at the same time.