Biomass Mutation (GTC) #213 [EN/N] s/o

{X}{G/U}{G/U} · 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 · Illustrated by Dan Murayama Scott · Gatecrash #213 · EDHREC rank 4858 · Magic: The Gathering, MTG