Queen

Support hero that can heal and buff units. Can also spawn spine crawlers and zergling(s)/abberation(s). Can learn Transfusion, Stick Eggs, Spine Crawlers and Parasitic Mutation. Can attack ground units only.

Transfusion
Instantly restores life to a target friendly unit, cannot heal self.

Stick Eggs
Sticks an egg on a target unit. After 3.5 seconds, or upon units death, the egg will hatch and spawn a unit(s).

Spine Crawlers
Spawns spine crawlers at will.

Parasitic Mutation (Ultimate)
Grants a buff to a target non-heroic unit that increases life, damage and attack speed.