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Havengul Laboratory // Havengul Mystery

Legendary Land // Legendary Land

{T}: Add {C}.
{4}, {T}: Investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.")
At the beginning of your end step, if you sacrificed three or more Clues this turn, transform Havengul Laboratory.

CMC
0
Mana cost
Color identity
B
Rarity
rare
Set
Universes Within
Price
$0.73
EDHREC rank
#8624
Buy on TCGplayer
Havengul Laboratory // Havengul Mystery card art
Havengul Laboratory // Havengul Mystery flips into a repeatable token-and-clue engine that generates serious card advantage once it's running — the payoff is real, but you're investing a saga's worth of setup to get there. Sophina, Spearsage Deserter and Teysa, Opulent Oligarch both put it to immediate use, because neither deck struggles to trigger the flip condition and both cash in hard on the backside.

Best Commanders

Commanders with the highest synergy

01
Teysa, Opulent Oligarch

Teysa, Opulent Oligarch

38.1% of decks · synergy 0.38

Teysa, Opulent Oligarch's token generation and death-trigger density mean Havengul Laboratory // Havengul Mystery flips on schedule and then churns out fodder that feeds right back into Teysa's own aristocrats engine.

02
Inquisitor Greyfax

Inquisitor Greyfax

27.0% of decks · synergy 0.26

Inquisitor Greyfax taps creatures for value, and Havengul Laboratory // Havengul Mystery's creature-token output gives the deck a steady stream of bodies to surveil and vigilance-buff — the two cards are in a clean resource loop.

03
The Rani

The Rani

15.3% of decks · synergy 0.15

The Rani proliferates counters as a core mechanic, and Havengul Laboratory // Havengul Mystery's saga chapters advance on their own schedule, but extra counter manipulation from The Rani can accelerate the flip and get the engine online a turn earlier.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern not legal
pioneer not legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

Commander is where Havengul Laboratory // Havengul Mystery actually belongs — the slow, multi-turn saga structure is a liability in faster formats but completely fine in a 40-life multiplayer game where every token and clue compounds over time. It's technically legal in Legacy and Vintage but sees no meaningful play there; the card does nothing until it flips, and those formats end games before the backside ever matters. Oathbreaker is a reasonable home for the same reason Commander is: enough turns to let the engine breathe.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.73 bulk tier

At $0.73, Havengul Laboratory // Havengul Mystery sits in bulk territory, which makes it an easy inclusion decision for any deck that wants it — you're not paying a premium for the effect. Bulk rares with genuine engines on the backside tend to hold their floor as long as they stay in print, so there's no urgency to stock up, but there's also no reason to hesitate at this price.

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Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.