Contact
Got a question about an order, a card, or anything else? We're here to help.
📧 Email duelmarket@proton.me — we respond within 24 hours.
⏰ Support Hours Monday to Friday, 9AM – 6PM EST
📦 Order Issues For any question about your order, please include your order number in your email so we can help you faster.
We're real people who love Yu-Gi-Oh! just as much as you do. Don't hesitate to reach out.