Seran, the Cursed One

Lifelink, Deathtouch
Whenever Seran, the Cursed One, deals damage to a play or a creature dealt damage by Seran, the Cursed One is put into a graveyard, put a +1/+1 counter on Seran, the Cursed One.
One of the Holy Knights of Val, cursed with vampirism, and shunned by all