Drisana, Wielder of Egil

Whenever a creature dealt damage by Drisana, Wielder of Egil this turn dies, exile Drisana, then return her to the battlefield transformed under her owner's control.
{b}{g}, Put a -1/-1 counter on target creature you control: Drisana gets +2/+2 until end of turn.
"Your life is meaningless. It would be best if you surrender it to us. That way, it will serve a greater purpose."