MCreator issue tracker has been migrated to GitHub.
Existing tickets have been migrated to GitHub. Please open new tickets on the GitHub tracker instead. If you do not have a GitHub account, all feature requests and bug reports from forums are still considered and checked by the maintainers.
Even with actual coding, you need to check for each of them so this won't be implemented. Minecraft 1.13 will introduce block tagging so you could check blocks by tags. We might add support for this too in the future updates.