MADISONIST
The BLACK MARIAH
The BLACK MARIAH
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This is The BLACK MARIAH - Second Edition ( 2025 )
The BLACK MARIAH Masterclass is available to watch for FREE HERE
The BLACK MARIAH is a Precision Modification Device that allows you to modify any playing card/s in the deck so that you can instantly cut to that card without having to know where the card is.
The BLACK MARIAH Device allows you to remove an extra 1mm from the corner of any playing card/s - changing the standard 3mm corner to a secret 4mm rounded corner - this modification cannot be seen by the naked eye of a participant or discovered under inspection or on accident, yet the trained eye can not only see The BLACK Mariah playing card, but also feel it’s position and cut to it naturally with minimum effort without looking.
The BLACK Mariah Device is known as a ‘Corner Rounder / Cutter.’ It is a tool of deception that has been updated / modified to include a much sharper and precise blade… Where I got these devices, I took them to a blacksmith who helped me take each device apart, sharpen and smoothen the blade before reconstructing to create this precision device.
You can get the standard AMAZON device here: https://amzn.to/3TIdgMl
The MAD SYSTEM Masterclass: https://madison.cards/products/the-mad-system-masterclass
The MAD SYSTEM Masterclass ( at The SLEIGHT CLUB ) : https://patreon.com/posts/mad-system-70378943












Let customers speak for us
from 149 reviewsThese cards are so amazing!! I can recommend these cards. Plus team was great with communication. What I love about this cards is the design and card box. MAD RESPECT

First of all, the quality of the jig literally could not bebetter. It’s precise, does exactly what it’s supposed to, and will never wear out or break. The teaching is clear and very helpful. What an amazing tool!So glad I got this.

Aside from the BLUE TWISTERS, this is the most beautiful cards I've ever held.

High quality. Exactly what i was expecting. Works exactly as described.

Beautiful cards that take me back to my youth. Not all all are dead souls

Fantastic deal for Fantastic decks! Would buy again!

Such a great price for a brick of Bikes. Highly Recommend

The Mad Box Set is incredible! The decks handle beautifully, and the edges feel as smooth as glass, I genuinely mean that. Definitely pick up a set while you can!

The Green Twisters are an incredible deck. Thanks guys. Mad Love 9♣️

Cards are great and I absolutely love them however I wouldn't have bought them if I'd known that they wouldn't be wrapped in cellophane. I understand that they needed to be signed but i assumed they woukd be re wrapped. Although I also received a free deck which was an amazing sign.

Still haven't received the cards.
Love this thing. And Daniel always gives you something extra. Can't wait for more stuff!