Union Arena · CLive pricing
Childhood Promise
Stable0.0%UE12BT: Kaiju No. 8 Release Event Cards, 2025 · #UEPR/KJ8-1-075
Childhood Promise's Near Mint price is down 3.4% ($0.02) over the past 30 days.
24h ago· Updated Nov 2, 2026
Card Details
TypeEvent
Mana Cost2 Energy, 1 Action Point
Card TextChoose one character on your field and switch it to active. If the chosen character is <Kafka Hibino>, <Kaiju No. 8>, or <Mina Ashiro>, choose up to one of your AP cards and switch it to active. [Trigger] Draw: Draw a card.
inkwell Fair Value™?· NM
$0.57
single source
$0.56$0.57
Condition?
Confidencemedium
Prices as ofNov 2
Normal—
Cheapest printing—
Why This Price
inkwell Estimate
Fair Value$0.57
Movement
7D Change+0.0% (+$0.00)
30D Change-3.4% (-$0.02)
Freshness
Prices as ofNov 2
Update cadenceDaily
Inkwell Fair Value$0.57
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More from UE12BT: Kaiju No. 8 Release Event Cards
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- How much is Childhood Promise worth?
- The current Near Mint price for Childhood Promise from UE12BT: Kaiju No. 8 Release Event Cards (Union Arena) is $0.57. The price has been stable over the past 7 days.
- What set is Childhood Promise from?
- Childhood Promise is from the UE12BT: Kaiju No. 8 Release Event Cards set, released October 2025. It is a C in Union Arena.
- What rarity is Childhood Promise?
- Childhood Promise is a C card from UE12BT: Kaiju No. 8 Release Event Cards in Union Arena.
- How has the price of Childhood Promise changed over the past 30 days?
- Over the past 30 days, the Near Mint price of Childhood Promise has fallen 3.4% ($0.02) to $0.57.
- How many Childhood Promise cards exist?
- There are 2 different Childhood Promise cards across Union Arena sets. Each version has unique stats, abilities, and artwork.