Sorin, Imperious Bloodlord

[+1]: Target creature you control gains deathtouch and lifelink until end of turn. If it is a Vampire, put a +1/+1 counter on it.
[+1]: You may sacrifice a Vampire. When you do, Sorin, Imperious Bloodlord deals 3 damage to any target and you gain 3 life.
[-3]: You may put a vampire creature card from your hand onto the battlefield.