Amelia Voldaren

First strike, lifelink
Dethrone (Whenever this creature attacks
the player with the most life or tied for most life, put
a +1/+1 counter on it.)
{w}{b}, Pay 2 life: Amelia Voldaren gets +1/+1
until end of turn.
"Every time I drink your blood, your will runs
through my veins."