Starcraft 2 Coop Solo Brutal Mutation: Temple of Pain

Mutators:
Avenger
-Enemy units gain increased attack speed, movement speed, armor, life, and life-regeneration when nearby enemy units die
Barrier
-Enemy units and structures gain a temporary shield upon the first time they take damage
Mineral Shields
-Mineral clusters at player bases are periodically encased in a shield which must be destroyed for gathering to continue