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  <xsd:element name="DeferredOfferingCostsContributedBySponsorThroughPromissoryNoteRelatedParty" id="mcga_DeferredOfferingCostsContributedBySponsorThroughPromissoryNoteRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DeferredOfferingCostsPaidBySponsorInExchangeForIssuanceOfClassBOrdinaryShares" id="mcga_DeferredOfferingCostsPaidBySponsorInExchangeForIssuanceOfClassBOrdinaryShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DeferredUnderwriterFeePayable" id="mcga_DeferredUnderwriterFeePayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfInitialPublicOfferingTextBlock" id="mcga_DisclosureOfInitialPublicOfferingTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfPrivatePlacementTextBlock" id="mcga_DisclosureOfPrivatePlacementTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmergingGrowthCompanyStatusPolicyTextBlock" id="mcga_EmergingGrowthCompanyStatusPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashHeldInTrustAccountPolicyTextBlock" id="mcga_CashHeldInTrustAccountPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WarrantInstrumentsPolicyTextBlock" id="mcga_WarrantInstrumentsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitsIssuedDuringPeriodSharesNewIssues" id="mcga_UnitsIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfSharesIssuedEachUnit" id="mcga_NumberOfSharesIssuedEachUnit" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="TransactionCostsAmount" id="mcga_TransactionCostsAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CashUnderwritingFee" id="mcga_CashUnderwritingFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DeferredUnderwritingFee" id="mcga_DeferredUnderwritingFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IssuanceOfRepresentativeSharesValue" id="mcga_IssuanceOfRepresentativeSharesValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="OtherOfferingCosts" id="mcga_OtherOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FairMarketValueAsPercentageOfNetAssetsHeldInTrustAccountIncludedInInitialBusinessCombination" id="mcga_FairMarketValueAsPercentageOfNetAssetsHeldInTrustAccountIncludedInInitialBusinessCombination" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NetProceeds" id="mcga_NetProceeds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationRedemptionConnectionWithInitialPercentage" id="mcga_BusinessCombinationRedemptionConnectionWithInitialPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PublicPerShare" id="mcga_PublicPerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapital" id="mcga_WorkingCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="TaxProvision" id="mcga_TaxProvision" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="InitialPublicOfferingDetailsTable" id="mcga_InitialPublicOfferingDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WarrantOutstandingPeriodForClosingOfferingCompletionOfInitialBusinessCombination" id="mcga_WarrantOutstandingPeriodForClosingOfferingCompletionOfInitialBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PrivatePlacementDetailsTable" id="mcga_PrivatePlacementDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TransferredAssignedOrSoldByTheHoldersAfterTheCompletionOfInitialBusinessCombination" id="mcga_TransferredAssignedOrSoldByTheHoldersAfterTheCompletionOfInitialBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SharesAfterTheProposedOfferingOutstandingPercentage" id="mcga_SharesAfterTheProposedOfferingOutstandingPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommonStockStockPriceTrigger" id="mcga_CommonStockStockPriceTrigger" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfTradingDays" id="mcga_NumberOfTradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TradingDayCommencingPeriod" id="mcga_TradingDayCommencingPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnderwritersOptionPeriod" id="mcga_UnderwritersOptionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfAdditionalUnitsPurchased" id="mcga_NumberOfAdditionalUnitsPurchased" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashUnderwritingDiscountForPricePerUnit" id="mcga_CashUnderwritingDiscountForPricePerUnit" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredUnderwritingFeeDiscountPricePerShare" id="mcga_DeferredUnderwritingFeeDiscountPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredUnderwritingFeeExpense" id="mcga_DeferredUnderwritingFeeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FairValueOfPerShare" id="mcga_FairValueOfPerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InitialPublicOfferingUnitsPeriod" id="mcga_InitialPublicOfferingUnitsPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareholdersDeficitDetailsTable" id="mcga_ShareholdersDeficitDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfIssuedAndOutstandingShares" id="mcga_PercentageOfIssuedAndOutstandingShares" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClosingOfBusinessCombinationTradingDays" id="mcga_ClosingOfBusinessCombinationTradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger" id="mcga_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights" id="mcga_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueMeasurementsDetailsTable" id="mcga_FairValueMeasurementsDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BlackScholesSimulationModelMember" id="mcga_BlackScholesSimulationModelMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassANonredeemableMember" id="mcga_ClassANonredeemableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassAOrdinaryShareSubjectToPossibleRedemptionMember" id="mcga_ClassAOrdinaryShareSubjectToPossibleRedemptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassAOrdinarySharesSubjectToPossibleRedemptionMember" id="mcga_ClassAOrdinarySharesSubjectToPossibleRedemptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassARedeemableMember" id="mcga_ClassARedeemableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassBNonredeemableMember" id="mcga_ClassBNonredeemableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExtensionLoansMember" id="mcga_ExtensionLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExtensionWarrantMember" id="mcga_ExtensionWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FounderMember" id="mcga_FounderMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MeasurementInputWarrantMember" id="mcga_MeasurementInputWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonRedeemableClassAOrdinarySharesMember" id="mcga_NonRedeemableClassAOrdinarySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonRedeemableClassBOrdinarySharesMember" id="mcga_NonRedeemableClassBOrdinarySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PromissoryNoteMember" id="mcga_PromissoryNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PublicWarrantMember" id="mcga_PublicWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RepresentativeSharesMember" id="mcga_RepresentativeSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SponsorMember" id="mcga_SponsorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitsEachConsistingOfOneClassAOrdinaryShareAndOnethirdOfOneRedeemableWarrantMember" id="mcga_UnitsEachConsistingOfOneClassAOrdinaryShareAndOnethirdOfOneRedeemableWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalLoansMember" id="mcga_WorkingCapitalLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalWarrantMember" id="mcga_WorkingCapitalWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassaOrdinarySharesParValue0.0001PerShareMember" id="mcga_ClassaOrdinarySharesParValue0.0001PerShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InitialPublicOfferingAbstract" id="mcga_InitialPublicOfferingAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommonStockSubjectToForfeitureSharesOutstanding" id="mcga_CommonStockSubjectToForfeitureSharesOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="GovernmentTreasuryObligationsWithMaturity" id="mcga_GovernmentTreasuryObligationsWithMaturity" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GeneralAndAdministrativeExpensesPaidBySponsorInExchangeForIssuanceOfClassBOrdinaryShares" id="mcga_GeneralAndAdministrativeExpensesPaidBySponsorInExchangeForIssuanceOfClassBOrdinaryShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="MonthlyAdvisoryFee" id="mcga_MonthlyAdvisoryFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AdvisoryFeeIncurred" id="mcga_AdvisoryFeeIncurred" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PricePerShareEqualsOrExceeds18Member" id="mcga_PricePerShareEqualsOrExceeds18Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MinimumPriorWrittenRedemptionNoticePeriod" id="mcga_MinimumPriorWrittenRedemptionNoticePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionOfWarrantOrRightThresholdTradingDays" id="mcga_ClassOfWarrantOrRightRedemptionOfWarrantOrRightThresholdTradingDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionOfWarrantOrRightThresholdCommencementPeriodAfterInitialBusinessCombinationClosing" id="mcga_ClassOfWarrantOrRightRedemptionOfWarrantOrRightThresholdCommencementPeriodAfterInitialBusinessCombinationClosing" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ConvertibleUnsecuredPromissoryNoteMember" id="mcga_ConvertibleUnsecuredPromissoryNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SignificantAccountingPoliciesScheduleOfBasicAndDilutedNetIncomeLossPerOrdinaryShareTable" id="mcga_SignificantAccountingPoliciesScheduleOfBasicAndDilutedNetIncomeLossPerOrdinaryShareTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SignificantAccountingPoliciesScheduleOfBasicAndDilutedNetIncomeLossPerOrdinaryShareLineItems" id="mcga_SignificantAccountingPoliciesScheduleOfBasicAndDilutedNetIncomeLossPerOrdinaryShareLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FairValueMeasurementsScheduleOfFairValueHierarchyOfValuationInputsTable" id="mcga_FairValueMeasurementsScheduleOfFairValueHierarchyOfValuationInputsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FairValueMeasurementsScheduleOfFairValueHierarchyOfValuationInputsLineItems" id="mcga_FairValueMeasurementsScheduleOfFairValueHierarchyOfValuationInputsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassaOrdinarySharesNotSubjectToPossibleRedemptionMember" id="mcga_ClassaOrdinarySharesNotSubjectToPossibleRedemptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WarrantsEachWholeWarrantsExercisableForOneClassaOrdinaryShareAtExercisePriceOf11.50PerShareMember" id="mcga_WarrantsEachWholeWarrantsExercisableForOneClassaOrdinaryShareAtExercisePriceOf11.50PerShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfWarrantsIssuedPerUnit" id="mcga_NumberOfWarrantsIssuedPerUnit" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RedeemableWarrantsMember" id="mcga_RedeemableWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TransactionCostsIfProposedBusinessCombinationConsummates" id="mcga_TransactionCostsIfProposedBusinessCombinationConsummates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredUnderwritingFeeDiscountPricePerShareIfProposedBusinessCombinationConsummates" id="mcga_DeferredUnderwritingFeeDiscountPricePerShareIfProposedBusinessCombinationConsummates" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="WorkingCapitalNotesConvertibleMaximum" id="mcga_WorkingCapitalNotesConvertibleMaximum" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SingleReportableSegmentMember" id="mcga_SingleReportableSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AmendedConvertibleUnsecuredPromissoryNoteMember" id="mcga_AmendedConvertibleUnsecuredPromissoryNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
