If God is real then Magic isn't real. There is a misunderstanding on what the power of God is and what Magic is. Magic is something man created through being scared of what the unknown brings so we created an idea of power (Magic) and use that to explan things when it all really came from God. The power of God is pretty much mother nature.
It is just something Humans can't possably comprehend because its so complex.
The reason there is desease and violence and all this bad stuff in our world is not because of God its because of our free will to live. God gave us that free will and we took that Freedom to do things that otherwise God hates. Because we were easily tempted into it. So its not that God makes these things happen it is us. God lets it happen to be more like a lesson for us to learn. Lets just say we were punished and all of that bad stuff is the punishment. But its not Gods faught its our faught pretty much.
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