Some vampires reject the decadent trappings of their kind. Once they turn feral, no amount of blood will satisfy their hunger.

Modern Masters 2015

Vampire Outcasts

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters the battlefield with two +1/+1 counters on it.)
Lifelink

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters with two +1/+1 counters on it.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Duel Decks: Sorin vs. Tibalt

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters the battlefield with two +1/+1 counters on it.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)