Karlov of the Ghost Council

Whenever you gain life, put two +1/+1 counters on Karlov of the Ghost Council.
{W}{B}, Remove six +1/+1 counters from Karlov of the Ghost Council: Exile target creature.

Fumigate

Destroy all creatures. You gain 1 life for each creature destroyed this way.

Soul's Attendant

Whenever another creature enters the battlefield, you may gain 1 life.

Soul Warden

Whenever another creature enters the battlefield, you gain 1 life.

Auriok Champion

Protection from black and from red
Whenever another creature enters the battlefield, you may gain 1 life.

Sign in Blood

Target player draws two cards and loses 2 life.

Greed

Ajani's Mantra

At the beginning of your upkeep, you may gain 1 life.

Crested Sunmare

Other Horses you control have indestructible.
At the beginning of each end step, if you gained life this turn, create a 5/5 white Horse creature token.

Drana's Emissary

Flying
At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.

Anguished Unmaking

Exile target nonland permanent. You lose 3 life.

Day of Judgment

Corpse Knight

Whenever another creature enters the battlefield under your control, each opponent loses 1 life.

Kaya's Wrath

Destroy all creatures. You gain life equal to the number of creatures you controlled that were destroyed this way.

Nyx-Fleece Ram

At the beginning of your upkeep, you gain 1 life.

Felidar Sovereign

Vigilance, lifelink
At the beginning of your upkeep, if you have 40 or more life, you win the game.

Archangel of Thune

Flying
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Whenever you gain life, put a +1/+1 counter on each creature you control.

Authority of the Consuls

Creatures your opponents control enter the battlefield tapped.
Whenever a creature enters the battlefield under an opponent's control, you gain 1 life.

Wrath of God

Destroy all creatures. They can't be regenerated.

Test of Endurance

At the beginning of your upkeep, if you have 50 or more life, you win the game.

Path to Exile

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Night's Whisper

Dawn of Hope

Whenever you gain life, you may pay {2}. If you do, draw a card.
{3}{W}: Create a 1/1 white Soldier creature token with lifelink.