![Biomass Mutation (214) [Duskmourn: House of Horror Commander]](http://alwaysgames.ca/cdn/shop/files/577849_in_1000x1000_b7696f3a-db58-44b6-811b-28432e9eeae7.jpg?v=1771643391&width=716)
![Biomass Mutation (214) [Duskmourn: House of Horror Commander]](http://alwaysgames.ca/cdn/shop/files/577849_in_1000x1000_b7696f3a-db58-44b6-811b-28432e9eeae7_1024x.jpg?v=1771643391)
Description
| Set: | Duskmourn: House of Horror Commander |
| Type: | Instant |
| Rarity: | rare |
| Cost: | {X}{G/U}{G/U} |
Creatures you control have base power and toughness X/X until end of turn.
| Set: | Duskmourn: House of Horror Commander |
| Type: | Instant |
| Rarity: | rare |
| Cost: | {X}{G/U}{G/U} |