![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013644/biomass-mutation-duskmourn-house-of-horror-commander-1751013647.webp)
Original price was: $13.00.$9.00Current price is: $9.00.
| Set: | Duskmourn: House of Horror Commander |
| Type: | Instant |
| Rarity: | Rare |
| Cost: | {X}{G/U}{G/U} |
Creatures you control have base power and toughness X/X until end of turn. “A regression to ancient forms? A glimpse of future evolutions? Or a fleeting alteration of the present?”Vorel of the Hull Clade
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013648/aeldari-warp-spiders-warhammer-40-000-1751013651.webp)
Aeldari: Warp Spiders - Warhammer 40,000
$38.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013661/dex-binder-4-dark-blue-holds-160-cards-by-dex-protection-1751013664.webp)
Dex Binder 4 - Dark Blue (Holds 160 Cards) by Dex Protection
$14.40
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013644/tidepool-turtle-foundations-jumpstart-1751013647.webp)
Tidepool Turtle [Foundations Jumpstart]
$9.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013644/soldier-token-modern-horizons-3-tokens-1751013647.webp)
Soldier Token [Modern Horizons 3 Tokens]
$9.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013652/super-swing-golf-season-2-wii-1751013656.webp)
Super Swing Golf Season 2 - Wii
$12.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013704/die-hard-dice-7-die-metal-dice-set-mythica-dark-arts-hubris-1751013707.webp)
Die Hard Dice 7 Die Metal Dice Set: Mythica Dark Arts - Hubris
$27.50
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013978/tranquility-inspiring-flagship-2-2-top-8-2-2-store-showdown-promos-1751013983.webp)
Tranquility - Inspiring Flagship (2/2) (Top 8) (2/2) [Store Showdown Promos]
$26.40
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013656/guo-jia-blessed-scion-csr-008-abyssal-heaven-1751013660.webp)
Guo Jia, Blessed Scion (CSR) (008) [Abyssal Heaven]
$100.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013644/slowking-058-142-scarlet-violet-stellar-crown-1751013647.webp)
Slowking (058/142) [Scarlet & Violet: Stellar Crown]
$8.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013644/temple-of-triumph-foundations-1751013647.webp)
Temple of Triumph [Foundations]
$9.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013661/trench-run-654-654-jump-to-lightspeed-1751013664.webp)
Trench Run (654) (654) [Jump to Lightspeed]
$5.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013652/the-rundown-umd-psp-1751013656.webp)
The Rundown [UMD] - PSP
$16.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013644/j-type-nubian-starship-194-264-194-264-legends-of-the-force-1751013647.webp)
J-Type Nubian Starship (194/264) (194/264) [Legends of the Force]
$7.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013652/two-headed-zombies-beamini-print-to-order-miniatures-1751013656.webp)
Two-Headed Zombies | BeaMini Print to Order Miniatures
$4.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013644/jace-the-mind-sculptor-art-card-gold-stamped-signature-bloomburrow-art-series-1751013647.webp)
Jace, the Mind Sculptor Art Card (Gold-Stamped Signature) [Bloomburrow Art Series]
$6.00
![Biomass Mutation [Duskmourn: House of Horror Commander]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013644/faerie-vandal-foundations-jumpstart-1751013647.webp)
Faerie Vandal [Foundations Jumpstart]
$6.00
Subtotal: $297.30
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![Repurposing Bay (Promo Pack) [Aetherdrift Promos]](https://www.deckrelic.com/wp-content/uploads/2025/6/1751013644/repurposing-bay-promo-pack-aetherdrift-promos-1751013647.webp)
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