Secret Lair DropSLD · #275 · 2021 · Nonfoil and foilOpen exact printing $6.31ConfidenceHigh ConfidencePremium treatmentView set
Card market overview
Sire of Insanity
Creature — Demon
Display art: DGM #104. Market reference: SLD #275.
Card-level market reference
Market at a glance
Pricing ConfidenceHigh ConfidenceMarketplaces disagree
Representative NeoPrice$6.317-day moveRoughly flatTracked copies58Sellers28
Market trustSource agreement: Marketplaces do not agree · Updated Sep 29, 2026
Representative printing · Representative · Foil and nonfoil · separate price fields
Market read
What changed
Tracked paper printings currently show NeoPrice from $0.45 to $6.31. A tracked printing's NeoPrice was roughly flat over the last seven days.
What to verify: exact printing and collector number current marketplace listing
Versions
Compare printings
Prices, supply, and confidence can differ substantially by exact version.
Secret Lair DropSLD · #275 · 2021 · Nonfoil and foilOpen exact printing $6.31ConfidenceHigh ConfidencePremium treatmentView set
Dragon's MazeDGM · #104 · 2013 · Nonfoil and foilOpen exact printing $0.45ConfidenceLow ConfidenceView setMarket history
Representative-print history
History tracks the representative print and may combine available finishes.
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Advanced market dataOpen
Detailed metrics
- Liquidity
- Healthy Score 70.3
- Spread
- 169% spread Stable
- Market sensitivity
- Low Sensitivity (12/100) How easily this print market could move
- Inventory trend
- 0.0% 24h 0.0% | 7d -1.7%
- NeoScore
- 67 B Tier
- Organic demand
- 59 Neutral organic demand
Card rules & legalityOpen
At the beginning of each end step, each player discards their hand.
- Mana cost
- {4}{B}{R}
- Color identity
- B, R
- Reserved List
- No
- Released
- Aug 24, 2021
- Legal formats
- Duel, Brawl, Penny, Legacy, Modern, Pioneer, Vintage, Historic, Timeless, Commander, Gladiator, Oathbreaker, Competitivebrawl
Sources, methodology, and disclosureOpen
NeoPrice and Pricing Confidence use the existing NeoCardAlpha methodology. CardTrader is the inventory source, TCGplayer is the primary pricing source, and Card Kingdom is validation-only.
NeoCardAlpha may earn a commission from certain marketplace links.
Card Kingdom retail validation is visible when a matching product is available, but it remains a validation source.