Hybrid Materials ((ざっ)(しゅ)()(ざい) Zasshu Sozai) are cards used in the Hybrid Summoning of a Hybrid Monster. Hybrid Materials always consist of 1 monster and 1 Splice Spell Card or Splice Trap Card. When a Hybrid Summon is performed, the Hybrid Material Splice Card is placed on top of the Hybrid Material Monster, and the Hybrid Monster is placed on top of both of them, making Hybrid Materials similar to Xyz Materials. However, unlike Xyz Materials, Hybrid Materials are not part of active gameplay, with the stack being only an aesthetic aspect relating to a Hybrid Monster being a "crossbreed" between the Material Monster and the Splice Card.

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