As his Xyz Monsters are Rank 3, their ATK tends to be on the lower side
Would I recommend the deck
A "Shaddoll" engine, using "Shaddoll Fusion" to Summon one of "El Shaddoll Shekhinaga" or "El Shaddoll Meshachrer" by sending materials from the Deck to the GY (such as "Shaddoll Beast" to draw a card) provides alternative ways to interact with the opponent and gain card advantage
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If you do not control any face-up monsters, other than "Melodious" monsters: You can add 1 "Melodious" Spell/Trap from your Deck to your hand
Ojamassimilation X SPELL Reveal 1 LIGHT Machine Fusion Monster from your Extra Deck and banish any number of "Ojama" monsters from your hand, face-up field, and/or GY