You forget to mention the field of knowledge. But you can consult some journal titles in DOAJ page or look for it at Sherpa Romeo and see the publishing model of the journal. You must consider some criteria as quality, metrics, citation, if it'is not a predatory publisher.
A librarian named Brian Cameron suggests some topics to consider in your analysis, see the links below.
If you want to become a guest editor in any journal, then you need to write a proposal based on the guidelines of the journal. The proposal should contain,
Tentative Title of Issue,
objective of special issue,
time bounds,
Author Contribution on the related field (i.e, your publications)
Submit this to the Editor-in-Chief
(nanba. .I have sent t to ur whatsApp no, :P. . this s for readers )