Union Activation

Maze of the Master (2025), Yu-Gi-Oh!, MZTM-EN023, Ultra Rare

Printing: 1st Edition, Near Mint

$2.49

TCGplayer market price (an average of recent sales)

As of Oct 26 (yesterday).

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Price trend

Oct 18 $2.69 → Oct 25, 2026 $2.49 −7.4%

$2.69$2.55$2.60$2.65$2.49

Oct 18, 2026Oct 20, 2026Oct 21, 2026Oct 22, 2026Oct 25, 2026

Sep 25 $2.25 → Oct 25, 2026 $2.49 +10.7%

$2.69$2.25$2.30$2.40$2.50$2.49

Sep 25, 2026Oct 5, 2026Oct 10, 2026Oct 15, 2026Oct 25, 2026

Jul 27 $2.24 → Oct 25, 2026 $2.49 +11.2%

$2.69$2.16$2.40$2.60$2.49

Jul 27, 2026Aug 26, 2026Sep 10, 2026Sep 25, 2026Oct 25, 2026

Oct 25, 2025 $0.92 → Oct 25, 2026 $2.49 +171%

$2.69high$0.83$1.50$2.00$2.49

Oct 25, 2025Feb 23, 2026Apr 25, 2026Jun 25, 2026Oct 25, 2026

Mar 9, 2025 $18.99 → Oct 25, 2026 $2.49 −86.9%

$18.99$0.83low$5.00$10.00$15.00$2.49

Mar 9, 2025Sep 23, 2025Dec 31, 2025Apr 9, 2026Oct 25, 2026

Vs its set

Over the 90 days to Oct 25, 2026: this card +11.2%; the median other printing in Maze of the Master 0.0% (127 other printings). 120 of those 127 changed price, but no more than half rose and no more than half fell, so the middle change is 0%.

Market details

Sold vs asking

Recent sales (TCGplayer market price)$2.49

Sellers asking (median listing)$2.70

0$2.70

Sellers ask about the same as the recent sale price.

Asking figure from TCGplayer listings, as of Oct 26.

Record

Price history Mar 9, 2025 to Oct 25, 2026

Highest before release$18.99Mar 9, 2025 only

Highest since release$5.40Mar 14, 2025 only

Lowest$0.83Nov 5, 2025 only

Vs highest since release54% below $5.40

Price changes, last 30 days

Date	Price	Change
Oct 14	$2.54 → $2.61	+2.8%	Show on chart
Oct 15	$2.61 → $2.69	+3.1%	Show on chart
Oct 20	$2.69 → $2.53	−5.9%	Show on chart
Oct 22	$2.53 → $2.52	−0.4%	Show on chart
Oct 24	$2.52 → $2.50	−0.8%	Show on chart
Oct 25	$2.50 → $2.49	−0.4%	Show on chart