Hi Elliott,
Here are some of our Transformers and Pokemon toy suppliers. If you haven't yet, check out:
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They're mostly wholesalers but they may be willing to drop ship if you ask.
You can also try
Link hidden: Login to view, they supply hard to find and hard to get toys, collectibles and figures, they don't trade with eBay resellers though.
Let me know how you get on. Cheers!