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  6. Oneiric Key

Grand Archive · Phantom Monarchs · #016 · Rare

Oneiric Key

Grand Archive card price for Oneiric Key: $3.80 market, from $0.95 at the cheapest listing, Foil printing, updated Oct 17, 2026. Full price history since Dec 8, 2025 below.

Market price · Foil · Oct 17, 2026
$3.80
0.0% this week · −28.2% in 30 days
Buy on eBay →
1 day0.0%
7 days0.0%
30 days−28.2%
90 days−42.9%
1 year—
All time−81.0%

Sellers right now

$0.95lowest listing$13.85highest
Market price$3.80
Mid listing$3.36
30-day avg$4.56

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$3.80

One year

$3.8052-week low$20.0052-week high
In the range0%
All-time low$3.80
All-time high$20.00
First priceDec 8, 2025
Foil · market price
$2.83$9.09$15.36$21.62
$3.80
Dec 2025Mar 2026Jul 2026Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Oneiric Key (Foil) came out in December 2025; we leave the first weeks out of this story, because early prices are set before real supply exists. Listings currently start at $0.95; over the last 30 days the market price averaged $4.56.

Printings

PrintingMarketLowHigh7d
Foil$3.80$0.95$13.850.0%
Normal$0.37$0.13$3.990.0%

The card in play

Card type
Regalia;Item
Element
Norm
Class
Cleric
Memory Cost
0
Card Subtype
Cleric;Specter;Bauble
Card text

[Alice Bonus] On Enter: Put a haunt counter on your Phantasmagoria.

(4), Banish Oneiric Key: Draw a card into your memory.

Flavor Text

Most see a key as something that opens, yet it is also the only thing that can truly lock something away.

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