Kerrigan, Queen of Blades

Menace, Haste, Lifelink
When Kerrigan kills a creature she gets a +1/+1 counter.
Other Zerg creatures get +1/+0 as long as
Kerrigan remains on the battlefield.
"I am the swarm. Armies will be shattered. Worlds
will burn. Now at last, on this world, vengeance
shall be mine. For i am the Queen of Blades."
—Kerrigan, Queen of Blades