Ahri, the Nine-Tailed Fox

Essence Theft — Whenever a creature an
opponent controls dies on your turn untap
Ahri, she gets +1/+1 until end of turn. If it
was a nontoken creature, draw a card.

Charm —Whenever Ahri becomes blocked by a
creature that creature gets -X/-0 until end of
turn where X is Ahri's power.

Spirit Rush —{1}{w}{u}, {t}: Ahri deals damage
equal to her power to target creature.