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.
Keyword: Lifelink
Vampire Nighthawk
Flying, deathtouch, lifelink
Child of Night
Lifelink
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.
Rhox War Monk
Lifelink
Vampire Nighthawk
Flying, deathtouch, lifelink
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.)
Rakdos Ragemutt
Lifelink, haste
Ajani’s Sunstriker
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Vampire Nighthawk
Flying, deathtouch, lifelink
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.
Seraph of Dawn
Flying, lifelink
Griselbrand
Flying, lifelink
Pay 7 life: Draw seven cards.
Drogskol Reaver
Flying, double strike, lifelink
Whenever you gain life, draw a card.
Sphinx of the Steel Wind
Flying, first strike, vigilance, lifelink, protection from red and from green
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.
Vampire Nighthawk
Flying, deathtouch, lifelink
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.