Kai'Sa, Daughter of the Void

First strike, lifelink
Whenever Kai'Sa, Daughter of the Void destroys a creature, put plasma counter on this card.
Whenever Kai'Sa, Daughter of the Void attacks, you
may deal X damage to blocking creature, where X is the amount equal to plasma counters on this card.
"My appearance may frighten you, but make no mistake
- I am on your side, and we fight to the bitter end."
— Kai'Sa, Daughter of the Void