![Biomass Mutation [Commander 2019]](https://cdn.shopify.com/s/files/1/0451/3388/9694/files/684f9bee-d20f-561e-af3f-8582c3113491.jpg?v=1720087789)
Biomass Mutation [Commander 2019]
| Set: | Commander 2019 |
| Type: | Instant |
| Rarity: | Rare |
| Cost: | XG/UG/U |
| Colors: | GU |
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