Individual Cards · Commander 2019
Biomass Mutation - Commander 2019 #187/302 Rare Instant
Rare187/302·Released Aug 2019
Biomass Mutation is a rare instant from the Commander 2019 set (C19). It allows you to change the base power and toughness of all creatures you control, making it a versatile combat trick. Highly playable in Simic and mutate-themed Commander decks.✦ AI summary
Biomass MutationCommander 2019C19MTG Rare InstantSimic Mutate
How much is Biomass Mutation - Commander 2019 #187/302 Rare Instant worth?
As of Aug 5, 2026, the market median price of Biomass Mutation - Commander 2019 #187/302 Rare Instant is $1.95 on eBay, with 68 active listings. Across 11 price snapshots tracked by TCGKami, the average is $1.94, ranging from a low of $1.92 (Jul 14, 2026) to a high of $1.96 (Jun 13, 2026), a +0.1% change over the tracking period.
Market median$1.95
Average (tracked)$1.94
Low$1.92Jul 14, 2026
High$1.96Jun 13, 2026
Trend+0.1%
Snapshots11
Active listings68
Live listings right now range from $1.44 to $3.49 (median $1.99, 50 priced listings).
Data updated Aug 5, 2026 · source: live eBay listings, aggregated by TCGKami
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