Biomass Mutation

Instant

Creatures you control have base power and toughness X/X until end of turn.

Vault 87's Evolutionary Experimentation Program exposed subjects to an airborne version of FEV. Rapid physical enhancements accompanied sharp mental regression, and the oldest mutants would become almost feral.

Nicholas Gregory

Legalities

NOT LEGALStandard
LEGALPioneer
LEGALModern
LEGALLegacy
LEGALVintage
LEGALCommander
LEGALOathbreaker
NOT LEGALAlchemy
NOT LEGALHistoric
NOT LEGALBrawl
NOT LEGALTimeless
NOT LEGALPauper
LEGALPenny