In Yu-Gi-Oh, but Mechanical Ascension (1-148).

Summary

You Feng uses Super Polymerization to fuse Yugi's Dark Magician and Sky Dragon, summoning Super Magic Knight - Zhen Hong Yan Long Qi Shi, a powerful Level 8 monster with 3000 attack points. Kaiba Seto is impressed but notes that it's not strong enough to surpass his Blue-Eyes Ultimate Dragon. You Feng reveals that the monster has additional effects, including the ability to destroy cards and deal damage to the opponent, and can also negate and destroy spell, trap, or monster effects. The crowd is amazed by the card's power, with some calling it the "true God Card".

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