Previous Post Mxy and his like have been shown able to over power even the Spectre before, so would take top levels to do that!

So his magic abilities can be blocked or stripped. As for the incidents with the Spectre, you recall that the Spectre's abilities vary depending on circumstances? That the Spectre was lessened in power after the first Crisis, as well? Sounds like you've been deep-diving on the battle boards: all scans and little substance.