This Negate/Mahamoti Djinn split card is pretty good
If you control 2 or more Special Summoned "Emoji" monsters, you can use up to 2 "Emoji" monsters from your deck for that summon
As monsters, Emperor Maju Garzett and Utopia the Lightning are both massive beaters that simply cannot be stopped during the Battle Phase that require 3 monsters for their Summon (3 Level 5 LIGHT monsters as Xyz Material for Utopia the Lightning (Or just Utopia, which itself has 2 Xyz Material to make for 3), and any 3 monsters as Tributes for Emperor Maju Garzett)

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Any Commander player would be aghast at losing their much-needed manabase, and rebuilding that mana base slows the game down for no good reason
Jack asked Yuya what was wrong and learned that there was something wrong with the Battle Beast