Terran:
-Firebats:
+Abilities: Booster(Chase enemy faster)
-Ghost:
+Abilities: Permanent Cloak(Still regain energy)
-Vulture:
+Abilities: Set Gun Trap(Was Spider Mine)
-Ion Cannon(Was Nuke Strike)
Protoss:
-Arbiter:
+Abilities:Stasis Warp(Old recall, now send units not recall units)
Zerg:
-Brood Lord(Was Guardian)
+Abilities:Broodling Strike
-Infested Barracks(Was Infested Command Center)
+Train: Infested Marines
-Infested Marine(Was Infested Terran)
-Infestation: Infest severely damage Barracks