Starcraft 2 Co-Op Mutation #91: Diplomatic Immunity [Siege Tanks vs Air Units]
Polarity - Each enemy unit is immune to either your units or your ally's units.
Evasive Maneuvers - Enemy units teleport a short distance away upon taking damage.
Barrier - Enemy units gain a temporary shield upon the first time they take damage.
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Stukov's volatile infested are great vs the trains. Siege Tanks shoot volatile infested. Therefore, use Siege Tanks vs. air units. What.
