The creator Kaede sells those cards in dollars only on Gumroad
If you want to purchase any of his cards, go to his
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or
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The price is vastly different since it's RMB instead, for example, the one you mentioned costs only 20 RMB there.
Those 2 websites also accept PayPal.
Also, some of his works already leaked (not all of them, though), you can ask ppl here for them.
For this link
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The creator trigger (now VAN) sells those cards in RMB on his
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The price is also in RMB, not dollars and it's also accepting Paypal.
Lastly, for his mod, you didn't even need to pay, the mod is free here
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