· Maze of the Master
Union Activation
EN023 • Ultra Rare
A near-mint Union Activation #EN023 from Maze of the Master (Yu-Gi-Oh!) is worth about £1.82.
Market value
£1.82
JustTCG
Near Mint 1st Edition
£1.82
Lightly Played 1st Edition
£1.46
Moderately Played 1st Edition
£1.23
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About Union Activation
Union Activation (card #EN023) is a Ultra Rare card from the Maze of the Master set in the Yu-Gi-Oh! Trading Card Game. It carries a rarity of Ultra Rare, which determines how often it appears in booster packs. The Maze of the Master set was released in 2025. Based on live market data, a near-mint copy is currently valued at around £1.82 on The TCG OS. Track its full price history, compare raw and graded values, browse other printings, and find live listings below.
Card details
- Set
- Maze of the Master
- Number
- #EN023
- Rarity
- Ultra Rare
- Year
- 2025
- Game
- Yu-Gi-Oh!
- Market value
- £1.82 (near-mint)
Available now
No shops stock this right now
No approved shop currently lists this card. Stock comes from real shops and changes often, so it is worth checking back. In the meantime you can add the card to your collection, save it to your wishlist, or look at the other printings below.
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Price trend
5 data points
Card details
- Type
- Normal Spell
- Race
- Normal
- Rarity
- Ultra Rare
- Released
- 13 Mar 2025
Card text
Send 1 LIGHT Machine Normal or Union monster from your hand or Deck to the GY and add 1 LIGHT Machine monster with the same ATK but a different original name from your Deck to your hand. If you Special Summon 3 LIGHT Machine monsters at the same time, while this card is in your GY: You can banish this card; add 1 monster with 3000 or more ATK from your Deck to your hand, then immediately after this effect resolves, Normal Summon that monster. You can only use each effect of "Union Activation" once per turn.
FAQs about Union Activation
How much is Union Activation worth?
Around £1.82 for a near-mint copy, based on live market data.
What set is Union Activation from?
Union Activation is card #EN023 from the Maze of the Master set (released 2025).
How rare is Union Activation?
Union Activation is a Ultra Rare card.
What year was Union Activation released?
The Maze of the Master set was released in 2025.
Where can I buy Union Activation?
Browse live listings and prices on this page; check back as vendors add stock.
