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Echo of Eons, Secret Lair Drop #821

Exact printing

Echo of Eons — Secret Lair Drop #821

Sorcery

SLD · #821 · Rare · En · Foil only

Exact-print market

Price and trust

Pricing ConfidenceIlliquid
Exact-print NeoPrice$752.41Tracked copies1Sellers1

Market trustUpdated Sep 26, 2026

Exact-print market · Representative · Foil only

Marketplace Comparison

Compare source coverage

Source agreement: Marketplaces do not agree
NeoPriceNeoCardAlpha market reference$752.41Representative print priceUpdated Sep 26, 2026
TCGplayerPricing source$634.04Market price or search resultUpdate not trackedCardTraderInventory source$1007.52Foil printUpdated Sep 26, 2026Card KingdomValidation only$949.99Retail validation onlyUpdate not tracked

Marketplace prices may represent different finish or condition coverage. Check the source listing before comparing.

Source prices are 1.87x apart.

Supply

Supply and condition coverage

Thin seller depthUpdated Sep 26, 2026
Tracked copies1Print-level inventory
Listings1Active print-level listings
Sellers1Distinct tracked sellers
NM1Near Mint
LP/SP0Lightly/Slightly Played
MP/HP0Moderately/Heavily Played

NM, LP/SP, and MP/HP tracked. Seller and listing counts are tracked for the print overall, not separately by finish or condition.

Exact-print history

Price & inventory history

SLD #821 · Selected version

Price and inventory history for this printing may combine available finishes.

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Other printings

Other printings

Prices, supply, and confidence can differ substantially by exact version.

2 printings

Connected intelligence

Why this printing matters

Advanced market dataOpen

Detailed metrics

Liquidity
Scarce
Score 17.4
Spread
0% spread
Stable
Market sensitivity
Extreme Sensitivity (98/100)
How easily this print market could move
Inventory trend
0.0%
24h 0.0% | 7d 0.0%
NeoScore
26
F Tier
Organic demand
12
Thin organic demand
Card rules & legalityOpen

Each player shuffles their hand and graveyard into their library, then draws seven cards. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Mana cost
{4}{U}{U}
Color identity
U
Reserved List
No
Released
Jul 29, 2024
Legal formats
Duel, Brawl, Legacy, Modern, 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.

TCGplayerCardTraderCard KingdomCard overviewSet page

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.