Detention Sphere sold prices & eBay comps · Price chart
- Card Name
- Detention Sphere
- Current Price
- $0.46
- Price Range
- $0.23 – $0.69
- Set
- RNA Guild Kit
- Game
- Magic: The Gathering
- Rarity
- Rare
- Card Number
- 10
- Era
- Modern
- Artist
- Kev Walker
- Type
- Normal
- EUR Price
- €0.60
- Last Updated
- August 22, 2026
| Period | Change |
|---|---|
| 30d | -11.5% |
Raw & Graded Price Snapshot
| Condition / Grade | Price | 7d | 30d | Recent Sales |
|---|---|---|---|---|
| Raw / Ungraded | $0.46 | 0.0% | -11.5% | N/A |
Marketplace Price Comparison
| Source | Price | Basis | Action |
|---|---|---|---|
| Guardian Estimate | $0.46 | Blended market value | View price history |
| Cardmarket | €0.60 | European market price | Compare markets |
Sources tracked: scryfall.
How Guardian Calculates This Price
Guardian combines marketplace prices, recent sold listings, graded-card estimates, and cross-market checks into one daily card value. We separate raw and graded prices where data is available, ignore obvious outliers, and update card pages as new market data arrives.
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Track Detention Sphere price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.
More Cards from RNA Guild Kit
Utvara Hellkite — $13.36
Birds of Paradise — $11.87
Dovescape — $5.61
Protean Hulk — $5.49
Master of Cruelties — $3.57
Rakdos, Lord of Riots — $3.26
Render Silent — $2.59
Gyre Sage — $2.59
Omnibian — $2.22
Pride of the Clouds — $1.98
Detention Sphere in Other Sets
Detention Sphere (Return to Ravnica) — $19.21- Detention Sphere (Magic Ravnica Allegiance Guild Kits) — $0.51
Detention Sphere (Ravnica Allegiance: Guild Kits) — $0.49- Detention Sphere (Magic Return to Ravnica) — $0.40
Detention Sphere (Magic Outlaws of Thunder Junction Breaking News) — $0.30
Detention Sphere (Outlaws of Thunder Junction: Breaking News) — $0.23
Related Pages
- Detention Sphere Price Chart & History
- Detention Sphere Sold Prices & eBay Comps
- Cards Similar to Detention Sphere
- Detention Sphere Investment Analysis
- Detention Sphere Condition Prices (LP/MP/HP)
- RNA Guild Kit Set Price Guide
- Magic: The Gathering Hub
- Magic: The Gathering Price Guide
- Cards by Kev Walker
- Rare Magic: The Gathering Cards
- Most Expensive Magic: The Gathering Cards
- Best Cards Under $5
- Magic: The Gathering Market Movers Today
- Scan Your Cards
- AI Card Grading
- Grading ROI Calculator
- Card Value Checker
- Where to Sell Magic: The Gathering Cards
Frequently Asked Questions
How much is Detention Sphere from RNA Guild Kit worth?
Detention Sphere from RNA Guild Kit is currently worth $0.46 in 2026. Prices are updated daily from multiple sources.
How rare is Detention Sphere in RNA Guild Kit?
Detention Sphere is a Rare card from the RNA Guild Kit set in Magic: The Gathering.
Is Detention Sphere going up in value?
Detention Sphere has decreased 0.0% in the last 7 days and decreased 11.5% in 30 days. Current Guardian Estimate: $0.46.
Where can I buy Detention Sphere?
You can compare prices and buy Detention Sphere on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $0.46.
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How much is Detention Sphere from RNA Guild Kit worth?
Detention Sphere from RNA Guild Kit is currently worth $0.46 in 2026. Prices are updated daily from multiple sources.
How rare is Detention Sphere in RNA Guild Kit?
Detention Sphere is a Rare card from the RNA Guild Kit set in Magic: The Gathering.
Is Detention Sphere going up in value?
Detention Sphere has decreased 0.0% in the last 7 days and decreased 11.5% in 30 days. Current Guardian Estimate: $0.46.
Where can I buy Detention Sphere?
You can compare prices and buy Detention Sphere on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $0.46.