Have

Mukotai Ambusher

Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Lifelink

Adventurer's Inn

When this land enters, you gain 2 life.
{T}: Add {C}.

Basri's Acolyte

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
When this creature enters, put a +1/+1 counter on each of up to two other target creatures you control.

Don't Have

Unmake

Scoured Barrens

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {W} or {B}.

Cast Down

Ephemerate

Exile target creature you control, then return it to the battlefield under its owner's control.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Eriette's Lullaby

Destroy target tapped creature. You gain 2 life.

Creeping Bloodsucker

At the beginning of your upkeep, this creature deals 1 damage to each opponent. You gain life equal to the damage dealt this way.

Crypt Incursion

Exile all creature cards from target player's graveyard. You gain 3 life for each card exiled this way.

Divine Favor

Enchant creature
When this Aura enters, you gain 3 life.
Enchanted creature gets +1/+3.

Syndicate Enforcer

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Candy Trail

When this artifact enters, scry 2.
{2}, {T}, Sacrifice this artifact: You gain 3 life and draw a card.

Basilica Screecher

Flying
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Reckoner's Bargain

As an additional cost to cast this spell, sacrifice an artifact or creature.
You gain life equal to the sacrificed permanent's mana value. Draw two cards.

Swamp

Obscura Storefront

When this land enters, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Gift of Orzhova

Enchant creature
Enchanted creature gets +1/+1 and has flying and lifelink.

Golden-Tail Disciple

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

Crypt Rats

{X}: This creature deals X damage to each creature and each player. Spend only black mana on X.

Emerge from the Cocoon

Return target creature card from your graveyard to the battlefield. You gain 3 life.

Radiant Fountain

Gingerbrute

Haste (This creature can attack and {T} as soon as it comes under your control.)
{1}: This creature can't be blocked this turn except by creatures with haste.
{2}, {T}, Sacrifice this creature: You gain 3 life.

Sunbeam Spellbomb

{W}, Sacrifice this artifact: You gain 5 life.
{1}, Sacrifice this artifact: Draw a card.

Eternal Thirst

Enchant creature
Enchanted creature has lifelink and "Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature." (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

Vizkopa Vampire

Marauding Blight-Priest

Whenever you gain life, each opponent loses 1 life.

Triumphant Surge

Destroy target creature with power 4 or greater. You gain 3 life.

Call to the Feast

Create three 1/1 white Vampire creature tokens with lifelink.

Dazzling Angel

Flying
Whenever another creature you control enters, you gain 1 life.

Night's Whisper

Sanguine Indulgence

This spell costs {3} less to cast if you've gained 3 or more life this turn.
Return up to two target creature cards from your graveyard to your hand.

Kabira Crossroads

This land enters tapped.
When this land enters, you gain 2 life.
{T}: Add {W}.

Feed the Swarm

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Heron of Hope

Flying
If you would gain life, you gain that much life plus 1 instead.
{1}{W}: This creature gains lifelink until end of turn.

Nutrient Block

Indestructible (Effects that say "destroy" don't destroy this artifact.)
{2}, {T}, Sacrifice this artifact: You gain 3 life.
When this artifact is put into a graveyard from the battlefield, draw a card.

Dwarven Priest

When this creature enters, you gain 1 life for each creature you control.

Blood Tithe

Each opponent loses 3 life. You gain life equal to the life lost this way.

Plains

Bake into a Pie

Destroy target creature. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Felidar Savior

Sovereign's Bite

Target player loses 3 life and you gain 3 life.

Angel of Mercy

Flying
When this creature enters, you gain 3 life.

Radiant Strike

Destroy target artifact or tapped creature. You gain 3 life.

Light of Hope

Choose one —
• You gain 4 life.
• Destroy target enchantment.
• Put a +1/+1 counter on target creature.

Epicure of Blood

Invoke the Divine

Destroy target artifact or enchantment. You gain 4 life.

Vampire Sovereign

Flying
When this creature enters, target opponent loses 3 life and you gain 3 life.

Faith's Fetters

Enchant permanent
When this Aura enters, you gain 4 life.
Enchanted permanent can't attack or block, and its activated abilities can't be activated unless they're mana abilities.

Lone Missionary

When this creature enters, you gain 4 life.

Cathedral Sanctifier

When this creature enters, you gain 3 life.

Pristine Talisman

Rotfeaster Maggot

When this creature enters, exile target creature card from a graveyard. You gain life equal to that card's toughness.

Arashin Cleric

Revitalize

Syndic of Tithes

Sign in Blood

Target player draws two cards and loses 2 life.

Lucky Offering

Destroy target artifact with mana value 3 or less. You gain 3 life.

Exile

Exile target nonwhite attacking creature. You gain life equal to its toughness.

Orzhov Basilica

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
{T}: Add {W}{B}.

Celestial Unicorn

Whenever you gain life, put a +1/+1 counter on this creature.

Bojuka Bog

This land enters tapped.
When this land enters, exile target player's graveyard.
{T}: Add {B}.

Late to Dinner

Return target creature card from your graveyard to the battlefield. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Kingpin's Pet

Unearth

Return target creature card with mana value 3 or less from your graveyard to the battlefield.
Cycling {2} ({2}, Discard this card: Draw a card.)

Vampire Spawn

When this creature enters, each opponent loses 2 life and you gain 2 life.

Terashi's Grasp

Destroy target artifact or enchantment. You gain life equal to its mana value.

Sanctify

Destroy target artifact or enchantment. You gain 3 life.

Temple Acolyte

Basilica Guards

Defender
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Kaya's Ghostform

Enchant creature or planeswalker you control
When enchanted permanent dies or is put into exile, return that card to the battlefield under your control.

Suture Priest

Whenever another creature you control enters, you may gain 1 life.
Whenever a creature an opponent controls enters, you may have that player lose 1 life.

Silverquill Pledgemage

Magecraft — Whenever you cast or copy an instant or sorcery spell, this creature gains your choice of flying or lifelink until end of turn.

Unexpected Fangs

Put a +1/+1 counter and a lifelink counter on target creature.

Bonesplitter

Indulging Patrician

Flying
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
At the beginning of your end step, if you gained 3 or more life this turn, each opponent loses 3 life.

Tithe Drinker

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)