Corwyn, Before Death

First Strike, Vigilance, Lifelink, Deathtouch
{x}{x}{p/b}{p/b}, {t}: Deal any target X damage. If you
paid 2 life, deal that target twice that damage
instead.
If Corwyn, Before Death would be put into your graveyard from anywhere, exile Corwyn, Before
Death instead and then return her to the battlefield transformed as Corwyn,
Vampire Form.