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  • May include: A stack of white A4 size cardstock, 210mm x 297mm, with a black core, perfect for card game proxies. The cardstock is premium 300 GSM, sturdy, and durable. Text on the image reads "Premium Quality, Consistent Thickness, Made to Perform."
  • May include: A stack of Black Lotus trading cards with a black background and gold accents. The cards are on top of a stack of white cardstock. The text "PREMIUM 300GSM CARDSTOCK" is displayed above the cards.
  • May include: Four Black Lotus trading cards are arranged on a white surface, with a torn white paper in the background. The cards feature a black background with a white lotus flower and gold accents. The text "Black Lotus" is visible.
  • May include: A Magic: The Gathering card featuring a tropical island scene with a waterfall and rainbow. The card is in a protective sleeve next to a torn white card, suggesting a reveal or damaged card.
  • May include: Abstract art piece featuring a curved design with a black, white, and gray color scheme. The composition includes a black strip bordered by white and gray textured layers, set against a white background. The artwork has a minimalist aesthetic.
  • May include: An informational graphic with the text "CHOOSE THE RIGHT GRAIN" and diagrams for card printing. It shows two options: "Short Grain" for 8 cards per sheet and "Long Grain" for 9 cards per sheet. Dimensions are 8.27 x 11.69 inches.
  • May include: A black and gold infographic with the text "PRINT MORE. PLAY MORE." It details card printing quantities, showing calculations for short and long grain sheets, and highlights the benefits of higher quantities.
  • May include: Image showing the premium packaging process. The process includes quality checking, secure wrapping in bubble wrap, and packaging in a sturdy box. Text on the image reads "PREMIUM PACKAGING TO ENSURE NO DAMAGE".
  • May include: A stack of white A4 size cardstock, 210mm x 297mm, with a black core, perfect for card game proxies. The cardstock is premium 300 GSM, sturdy, and durable. Text on the image reads "Premium Quality, Consistent Thickness, Made to Perform."
  • May include: A stack of Black Lotus trading cards with a black background and gold accents. The cards are on top of a stack of white cardstock. The text "PREMIUM 300GSM CARDSTOCK" is displayed above the cards.
  • May include: Four Black Lotus trading cards are arranged on a white surface, with a torn white paper in the background. The cards feature a black background with a white lotus flower and gold accents. The text "Black Lotus" is visible.
  • May include: A Magic: The Gathering card featuring a tropical island scene with a waterfall and rainbow. The card is in a protective sleeve next to a torn white card, suggesting a reveal or damaged card.
  • May include: Abstract art piece featuring a curved design with a black, white, and gray color scheme. The composition includes a black strip bordered by white and gray textured layers, set against a white background. The artwork has a minimalist aesthetic.
  • May include: An informational graphic with the text "CHOOSE THE RIGHT GRAIN" and diagrams for card printing. It shows two options: "Short Grain" for 8 cards per sheet and "Long Grain" for 9 cards per sheet. Dimensions are 8.27 x 11.69 inches.
  • May include: A black and gold infographic with the text "PRINT MORE. PLAY MORE." It details card printing quantities, showing calculations for short and long grain sheets, and highlights the benefits of higher quantities.
  • May include: Image showing the premium packaging process. The process includes quality checking, secure wrapping in bubble wrap, and packaging in a sturdy box. Text on the image reads "PREMIUM PACKAGING TO ENSURE NO DAMAGE".
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MTG Proxy Cardstock Black Core 300gsm A4 Glossy, TCG Proxy Paper

BlackSkyProxies

By BlackSkyProxies

Owner of BlackSkyProxies
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Premium 300 GSM Glossy Cardstock | A4 Size | BlackCore | Shipped from EU | For MTG, Pokémon, Lorcana, and Yu-Gi-Oh proxies

High-quality professional cardstock for making realistic trading card proxies with laser printers.

This 300 GSM black-core cardstock offers excellent thickness, durability, and a premium feel that closely matches official trading cards. The thin glossy coating on both sides delivers a smooth finish, sharp prints, and that satisfying snap when handled.

Key Features:
• 300 GSM thickness with black core for perfect opacity
• Thin glossy coating on both sides for a premium finish and feel
• A4 size (210 × 297 mm) – easy to print and cut
• Excellent stiffness and snap, just like real cards

Grain Selection:
Refer to the grain selection image in the listing. It is recommended to get the short grain when printing 8 cards per sheet, and the long grain when printing 9 per sheet. The end goal is to have the grain parallel to the long side of your mtg card after cutting.

Perfect for:
• MTG, Pokémon, and other trading card game proxies
• Custom card printing and prototyping
• High-quality print & cut projects

Important Notes:
• This cardstock has a thin glossy coating, which makes it incompatible with inkjets. Only use with a laser printer!
• This is blank cardstock only (printed designs are not included).

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What buyers say

5.0 (4)

“Slightly flimsier than the 310g/m² M:tG cardstock, printed without problems on my Canon MF664Cdw. Helpful seller, will probably buy more.”

Eric

29 days ago

View all item reviews

Price:$35.56+

Shipping & return policies

  • Returns & exchanges accepted within 14 days
  • Ships from: The Netherlands

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Star Seller

This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received.

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Reviews for this item

5.0

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(4 reviews)

5.0 Item quality
5.0 Shipping
5.0 Customer service
100% Buyers recommend
5 out of 5 stars 5

Eric Jul 1, 2026

Slightly flimsier than the 310g/m² M:tG cardstock, printed without problems on my Canon MF664Cdw. Helpful seller, will probably buy more.

Eric Jul 1, 2026

5 out of 5 stars 5

The Jun 24, 2026

Good product and perfect seller!

The Jun 24, 2026

5 out of 5 stars 5

Finn May 13, 2026

This paper is amazing, my test prints came out great! The cards feel just like real mtg cards after cutting. Great communication and fast shipping, will defenitly order again!

Finn May 13, 2026

5 out of 5 stars 5

Hanno May 7, 2026

Feels great, and prints come out beautifully on laserjet printer. Sellers communicates great!

Hanno May 7, 2026

Photos from reviews

Meet your seller

BlackSkyProxies
BlackSkyProxies
BlackSkyProxies ·

Limburg, The Netherlands

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 5.0
·
64 sales
·
3 months on Etsy

Usually responds in a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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Listed on Jul 29, 2026
64 favorites
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