Cover - shares	6 Months Ended
	Oct. 31, 2024	Dec. 11, 2024
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Oct. 31, 2024
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2025
Current Fiscal Year End Date	--04-30
File Number	333-268561
Registrant Name	MAG MAGNA CORP
Entity Central Index Key	0001949864
TaxIdentificationNumber	98-1626237
Incorporation State	WY
Address Line1	325 W Washington St Ste 2877
Address City	San Diego
Address State	CA
Address Posta lZip Code	92103
City Area Code	620
phone number	4692043
CurrentReportingStatus	Yes
InteractiveDataCurrent	No
Filer Category	Non-accelerated Filer
SmallBusiness	true
EmergingGrowthCompany	true
extended transition period	false
Shell Company	false
Common Stock Shares Outstanding		5,829,047