- Card Name
- Detention Sphere
- Current Price
- $0.52
- Price Range
- $0.47 – $0.57
- Set
- RNA Guild Kit
- Game
- Magic: The Gathering
- Rarity
- Rare
- Card Number
- 10
- Era
- Modern
- Artist
- Kev Walker
- Type
- Normal
- Last Updated
- May 11, 2026
Raw & Graded Price Snapshot
| Condition / Grade | Price | 7d | 30d | Recent Sales |
|---|---|---|---|---|
| Raw / Ungraded | $0.52 | 0.0% | N/A | N/A |
Marketplace Price Comparison
| Source | Price | Basis | Action |
|---|---|---|---|
| Guardian Estimate | $0.52 | Blended market value | View price history |
Sources tracked: anchor.
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.
Track, Grade, or Sell This Card
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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 — $13.14
Birds of Paradise — $12.01
Protean Hulk — $6.62
Dovescape — $5.56
Omnibian — $4.47
Master of Cruelties — $4.32
Rakdos, Lord of Riots — $3.15
Render Silent — $2.92
Gyre Sage — $2.67
Ruric Thar, the Unbowed — $1.57
Detention Sphere in Other Sets
Detention Sphere (Return to Ravnica) — $19.21
Detention Sphere (Ravnica Allegiance: Guild Kits) — $0.52- Detention Sphere (Magic Ravnica Allegiance Guild Kits) — $0.51
- 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) — $0.28
Cards in Similar Price Range
Magic: The Gathering cards priced near $0.52:
- The Akroan War (Theros Beyond Death) — $0.52
- Spider Umbra (Ultimate Masters) — $0.52
- Threefold Thunderhulk (Magic Lost Caverns of Ixalan) — $0.52
- Ordeal of Heliod (Theros) — $0.52
- Hostile Negotiations (Extended Art) (The Brothers' War) — $0.52
- Mazemind Tome (Schematic) (The Brothers' War: Retro Frame Artifacts) — $0.52
- Flashfreeze [Foil] (Magic M10) — $0.52
- Kitchen Finks (Ultimate Masters) — $0.52
Related Pages
- Detention Sphere Price Chart & History
- 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 $0.52 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. Current Guardian Estimate: $0.52.
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: $0.52.
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How much is Detention Sphere from RNA Guild Kit worth?
Detention Sphere from RNA Guild Kit is currently worth $0.52 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. Current Guardian Estimate: $0.52.
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: $0.52.