Blood Baron of Vizkopa

Lifelink, protection from white and from black
As long as you have 30 or more life and an opponent has 10 or less life, Blood Baron of Vizkopa gets +6/+6 and has flying.

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 (Damage dealt by this creature also causes you to gain that much life.)

Spark Trooper

Trample, lifelink, haste
At the beginning of the end step, sacrifice Spark Trooper.

Brion Stoutarm

Lifelink
, , Sacrifice another creature: Brion Stoutarm deals damage equal to the sacrificed creature’s power to target player or planeswalker.

Daggerdrome Imp

Flying
Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Trained Caracal

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Ajani’s Sunstriker

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Rhox Faithmender

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
If you would gain life, you gain twice that much life instead.

Elderwood Scion

Trample, lifelink
Spells you cast that target Elderwood Scion cost less to cast.
Spells your opponents cast that target Elderwood Scion cost more to cast.

Griselbrand

Flying, lifelink
Pay 7 life: Draw seven cards.

Griselbrand

Flying, lifelink
Pay 7 life: Draw seven cards.

Drogskol Reaver

Flying, double strike, lifelink
Whenever you gain life, draw a card.

Markov Patrician

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

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 (Damage dealt by this creature also causes you to gain that much life.)

Brion Stoutarm

Lifelink
, , Sacrifice another creature: Brion Stoutarm deals damage equal to the sacrificed creature’s power to target player or planeswalker.

Vish Kal, Blood Arbiter

Flying, lifelink
Sacrifice a creature: Put X +1/+1 counters on Vish Kal, Blood Arbiter, where X is the sacrificed creature’s power.
Remove all +1/+1 counters from Vish Kal: Target creature gets -1/-1 until end of turn for each +1/+1 counter removed this way.