R&D's Secret Lair
UNHUnhinged/#135/2004Rare
MV 0
Current paper retail
Card Kingdom$5.49
Cardmarket€1.92
ManaPool$1.83
TCGplayer$3.82
Buylist (dealers pay)
Card Kingdom$2.75
Paper retail history (USD)
3 providers
Latest $1.83High $2.69Low $1.43▲ 24.5%
Market and collecting
Market overview
$3.82TCGplayer, USD, retail, nonfoil
Latest observation: 2026-11-10
7d▲ 0.0%30d▲ 18.3%90d▲ 0.8%
90d high
$4.25
90d low
$3.17
Paper printings priced
1
Currently 1st
Cheapest paper printing
$3.82
Unhinged
- Up 18.3% over the last 30 days on TCGplayer.
- Currently 10% below its 90 day high of $4.25.
Find this printing on eBayView on TCGplayerAffiliate. MTGPrices may earn from qualifying eBay and TCGplayer purchases.
Collect
Play
Compare printings (1 priced)
Gameplay and rules
Legendary Land
Play cards as written. Ignore all errata.
: Add . (This mana is still added to your mana pool.)
Card capabilities
LandMana production
Derived deterministically from card types, Oracle text and keywords. Not a strategic evaluation.
Format legality
Primary formats
Eternal formats
Digital formats
Rulings
No rulings recorded for this card.
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Ranked by shared capabilities, colour identity, mana value and type. Never by strategic judgement.
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Shares Land, Mana productionSame colour identity
Shares Land, Mana productionSame colour identity
Shares Land, Mana productionSame colour identity
Shares Land, Mana productionSame colour identity
Shares Land, Mana productionSame colour identity
Shares Land, Mana productionSame colour identity
Shares Land, Mana productionSame colour identity
About this card
R&D's Secret Lair
R&D's Secret Lair is a Legendary Land (mana value 0).
Format legality: Commander: not_legal, Modern: not_legal, Standard: not_legal, Pioneer: not_legal, Legacy: not_legal, Pauper: not_legal.
Current headline price on TCGplayer: $3.82 (up 18.3% over 30 days).
Frequently asked
R&D's Secret Lair FAQ
How much is R&D's Secret Lair worth?
The current TCGplayer USD retail price for R&D's Secret Lair is $3.82. It is up 18.3% over the last 30 days. Over 90 days it has ranged from $3.17 to $4.25.
What is the cheapest printing of R&D's Secret Lair?
The cheapest currently priced paper printing is from Unhinged at $3.82 on TCGplayer.
What set was R&D's Secret Lair first printed in?
The earliest English paper printing that MTGPrices tracks is from UNH #135, released 2004-11-19.
Is R&D's Secret Lair legal in Commander?
R&D's Secret Lair is not currently legal in Commander per Scryfall's legality feed.
Is R&D's Secret Lair legal in Modern?
R&D's Secret Lair is not currently legal in Modern per Scryfall's legality feed.
Is R&D's Secret Lair legal in Standard?
R&D's Secret Lair is not currently legal in Standard per Scryfall's legality feed.
What does R&D's Secret Lair do?
R&D's Secret Lair is a Legendary Land. Its Oracle text reads: "Play cards as written. Ignore all errata. {T}: Add {C}. (This mana is still added to your mana pool.)".