Biomass Mutation - Gatecrash #213 - Magic: The Gathering Single

Biomass Mutation is a rare blue and green instant from the Magic: The Gathering set Gatecrash (GTC), collector number 213. English, Near Mint. Pick a finish above.

Instant, 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

• Card type: Instant
• Color: Blue and green (Simic)
• Mana cost: X(G/U)(G/U) (mana value 2)
• What it does: Combat trick (as tagged by players on Scryfall).
• Commander: Color identity: blue and green (Simic). It fits a Commander deck whose commander has all of those colors.
• Formats (as of October 2026): Legal in Pioneer, Modern, Legacy, Vintage and Commander. Not legal in Standard or Pauper.
• Printing: Gatecrash (GTC) #213, rare, released February 2013.

From a lot of rares and sleeved right away. The picture is the official card image. You get one copy of this exact printing per unit ordered. Art by Dan Murayama Scott.