Abathur, Zerg Biologist

+1: You gain 2 biomass or spend 12 biomass to turn target Zerg creature into a green/black Brutalisk creature token, or a Leviathan if it has Flying.
-2: You get an "Upgrade" emblem of your choice. If you already have an "Upgrade" emblem affecting the same type of Zerg, the new one must replace it.
-X: You gain a "Strain" emblem affecting a Zerg creature type of toughness X or less.