Yubel - The Ultimate Nightmare already has 0 ATK so Zero Sprite’s downside does not really affect it. Attacking twice can let you use Yubel - The Ultimate Nightmare’s removal effect twice.
Superheavy Samurai
Superheavy Samurai do not really use their ATK stat for anything. They use their DEF for battle and they stay in defense position all the time. Zero Sprite just lets them attack twice.
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