One thing you could do is to put your arguments here.
There are lots of us who will point out to you what we consider to be the flaws in them and then you will at least be prepared for them.
There are no new creationist arguments. Therefore there are lots of refutations of them available and your debate opponents will find them so you might as well be ready for them.
The only way to "win" is a combination of demonstrated excellent debating skills and the "God and science are NOT at odds" approach. Trying to defend 'creationism' (as it is usually defined) is very tough indeed.
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