- Card Name
- Riddlemaster Sphinx
- Current Price
- $0.18
- Price Range
- $0.18 – $0.19
- Set
- Core Set 2019
- Game
- Magic: The Gathering
- Rarity
- Rare
- Card Number
- 287
- Era
- Modern
- Artist
- Ryan Yee
- Type
- Normal
- Last Updated
- May 11, 2026
| Period | Change |
|---|---|
| 30d | +5.9% |
Raw & Graded Price Snapshot
| Condition / Grade | Price | 7d | 30d | Recent Sales |
|---|---|---|---|---|
| Raw / Ungraded | $0.18 | 0.0% | +5.9% | N/A |
Marketplace Price Comparison
| Source | Price | Basis | Action |
|---|---|---|---|
| Guardian Estimate | $0.18 | Blended market value | View price history |
| TCGPlayer | $0.19 | Marketplace price | Check listings |
Sources tracked: tcgplayer_market.
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
- Add this card to your collection to track value over time.
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Track Riddlemaster Sphinx price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.
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Core Set 2019 - Planeswalker Deck [Set of 5] — $199.35
Poison-Tip Archer — $162.97
Runic Armasaur — $149.94
Alpine Moon — $114.99
Omniscience — $109.99
Apex of Power — $109.40
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Palladia-Mors, the Ruiner — $99.35
Riddlemaster Sphinx in Other Sets
Related Pages
- Riddlemaster Sphinx Price Chart & History
- Cards Similar to Riddlemaster Sphinx
- Riddlemaster Sphinx Investment Analysis
- Riddlemaster Sphinx Condition Prices (LP/MP/HP)
- Core Set 2019 Set Price Guide
- Magic: The Gathering Hub
- Magic: The Gathering Price Guide
- Cards by Ryan Yee
- Rare Magic: The Gathering Cards
- Most Expensive Magic: The Gathering Cards
- Best Cards Under $5
- Magic: The Gathering Market Movers Today
- Scan Your Cards
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Frequently Asked Questions
How much is Riddlemaster Sphinx from Core Set 2019 worth?
Riddlemaster Sphinx from Core Set 2019 is currently worth $0.18 in 2026. Prices are updated daily from multiple sources.
How rare is Riddlemaster Sphinx in Core Set 2019?
Riddlemaster Sphinx is a Rare card from the Core Set 2019 set in Magic: The Gathering.
Is Riddlemaster Sphinx going up in value?
Riddlemaster Sphinx has decreased 0.0% in the last 7 days and increased 5.9% in 30 days. Current Guardian Estimate: $0.18.
Where can I buy Riddlemaster Sphinx?
You can compare prices and buy Riddlemaster Sphinx on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $0.18.
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How much is Riddlemaster Sphinx from Core Set 2019 worth?
Riddlemaster Sphinx from Core Set 2019 is currently worth $0.18 in 2026. Prices are updated daily from multiple sources.
How rare is Riddlemaster Sphinx in Core Set 2019?
Riddlemaster Sphinx is a Rare card from the Core Set 2019 set in Magic: The Gathering.
Is Riddlemaster Sphinx going up in value?
Riddlemaster Sphinx has decreased 0.0% in the last 7 days and increased 5.9% in 30 days. Current Guardian Estimate: $0.18.
Where can I buy Riddlemaster Sphinx?
You can compare prices and buy Riddlemaster Sphinx on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $0.18.