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Reference artwork · details may differ from this copy
About This Card

The 2021 Prismatic Secret Rare 'Adamancipator Signs' from the Yu-Gi-Oh! Tin of Ancient Battles (MP21-EN234). A sought-after spell card for dedicated collectors and players.

Adamancipator Signs

2021 • Yu-Gi-Oh! • 2021 Tin of Ancient Battles

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Market Value
Raw/Ungraded Market: $0.40
Stale · as of 9/27/2026
Based on Aggregated Price GuideCheck Price Guide

Market & Price History

Prices Captured Sep 27, 2026
  • $0.40As of 9/27/2026
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  • $0.59As of 9/27/2026
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  • $5.89As of 9/27/2026
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  • $7.00As of 9/27/2026
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  • $42.00As of 9/27/2026
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  • $19.00As of 9/27/2026
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  • $32.18As of 9/27/2026
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  • $19.00As of 9/27/2026
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Below grade 10 the guide publishes one estimate across all graders, so these rows are not PSA, BGS, CGC or SGC prices, and a low slabbed grade can sit below a clean raw copy. Grade 10 is estimated per grader.

30-day Price History

Raw / Ungraded

PriceCharting Price Guide · Guide Estimate evidence · captured Sep 27, 2026

History is building. At least two days of matching observations are needed to show a trend.

Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.
Product Overview

Description

The Adamancipator Signs card, designated as MP21-EN234, is a Normal Spell Card from the 2021 Tin of Ancient Battles expansion. Released under the Yu-Gi-Oh! Trading card game umbrella, this print features the highly coveted Prismatic Secret Rare finish. The holographic treatment gives the card a distinctive, shimmering appearance that stands out in any collection or binder, appealing to enthusiasts who value both gameplay utility and aesthetic presentation. As part of the Adamancipator archetype, this card holds a specific place within the broader lore and mechanics of the game's 2021 releases. Collectors often seek out these Tin of Ancient Battles cards to complete their set collections or to build specialized decks around the Adamancipator strategy. The Prismatic Secret Rare variant is particularly noted for its premium finish, making it a desirable addition for those who appreciate the artistic and physical qualities of Yu-Gi-Oh! Cards. Whether you are looking to enhance your personal archive or find a unique gift for a fellow duelist, this card represents a solid piece of modern Yu-Gi-Oh! History. Its combination of functional gameplay and striking visual design ensures it remains relevant in the trading card market. By providing a platform dedicated to trading card games, we help collectors find the specific variants they need to complete their collections or expand their holdings. Explore the diverse inventory to discover more treasures from the Adamancipator series and other popular Yu-Gi-Oh! Sets.

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Product Specs

Card Details

The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.

Catalog Profile

The core identity of the card within the set.

Year

2021

Series

2021 Tin of Ancient Battles

Card Number

#MP21-EN234

Featured Subject

The subject, team, league, and sport context tied to this card.

Game

Yu-Gi-Oh!

TCG Attributes

Rarity, print treatment, and game-specific stats for this card.

Rarity

Prismatic Secret Rare

Material

Card Stock

Language

English

Finish

Holo

Monster type

Normal

Archetype

Adamancipator

Card Text

Abilities, attacks, oracle text, and flavor text printed on the card.

Target 1 Rock monster in your GY; Special Summon it in Defense Position, then, if you Special Summoned an "Adamancipator" monster by this effect, you can take 1 Level 4 or lower Rock monster from your Deck and place it on top of your Deck.

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FAQ

Frequently Asked Questions

What type of card is Adamancipator Signs?

Adamancipator Signs is a Normal Spell Card belonging to the Adamancipator archetype in the Yu-Gi-Oh! trading card game.

What does the Prismatic Secret Rare finish look like?

The Prismatic Secret Rare treatment features a holographic finish that reflects light in a vibrant, multi-colored spectrum, distinguishing it from standard foils.

Which set does MP21-EN234 belong to?

This card is part of the 2021 Tin of Ancient Battles (MP21) promotional set released for the Yu-Gi-Oh! TCG.

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