A Hybrid Summon ((ざっ)(しゅ)(しょう)(かん), Zasshu Shoukan) is the act of Special Summoning a Hybrid Monster from the Extra Deck. Hybrid Summoning is initiated through the Splice Effect of a Splice Spell or Splice Trap Card, which uses the Splice Card in question and the affected monster(s) as the Hybrid Materials. The Splice Card used is placed on top on the intended monster, then the Hybrid Monster is placed on top of both cards, similar to an Xyz Summon.

When a Hybrid Summon is performed, the Splice Card used is shown to physically alter the affected monster's DNA and morph it into the Hybrid Monster, making Hybrid Summons more of a mutation rather than an ascension like most forms of Special Summon.

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