Biomass Mutation - Duskmourn: House of Horror Commander

Biomass Mutation
Instant

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

Legalities

  • NOTLEGAL Standard
  • LEGAL Pioneer
  • LEGAL Modern
  • LEGAL Legacy
  • LEGAL Vintage
  • LEGAL Commander
  • LEGAL Oathbreaker
  • NOTLEGAL Alchemy
  • NOTLEGAL Explorer
  • NOTLEGAL Historic
  • NOTLEGAL Brawl
  • NOTLEGAL Timeless
  • NOTLEGAL Pauper
  • LEGAL Penny