+1: You gain 2 life.

-1: Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.

-6: Create a white Avatar creature token. It has "This creature's power and toughness are each equal to your life total."

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

When Arashin Cleric enters the battlefield, you gain 3 life.

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.

{1}{B}, Pay 2 life: Draw a card.

At the beginning of your upkeep, if you have 5 or less life, you may transform Arguel's Blood Fast.

(Transforms from Arguel's Blood Fast.)

{T}: Add {B}.

{T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

Deathtouch, lifelink

At the beginning of your end step, choose one --

• Feed -- Target opponent loses life equal to the amount of life they lost this turn.

• Friends -- You gain life equal to the amount of life you gained this turn.

Whenever you gain life for the first time each turn, create a 1/1 white Cat creature token.

{2}{W}: Another target Cleric gains lifelink until end of turn.

The next time target creature would deal damage this turn, prevent that damage. You gain life equal to the damage prevented this way.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

Flying

When Bloodhunter Bat enters the battlefield, target player loses 2 life and you gain 2 life.

Flying

If an opponent would lose life during your turn, they lose twice that much life instead. (Damage causes loss of life.)

Flying

Whenever you gain life, put a +1/+1 counter on Bloodthirsty Aerialist.

If you would gain life, you gain twice that much life instead.

{1}, {T}, Sacrifice another creature: You gain life equal to the sacrificed creature's toughness. Draw a card.

When Cathedral Sanctifier enters the battlefield, you gain 3 life.

{T}: Add {C}.

{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

(Gain the next level as a sorcery to add its ability.)

If you would gain life, you gain that much life plus 1 instead.

{3}{W}: Level 2

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

{4}{W}: Level 3

When this Class becomes level 3, return target creature card from your graveyard to the battlefield. You gain life equal to that creature's toughness.

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

Concealed Courtyard enters the battlefield tapped unless you control two or fewer other lands.

{T}: Add {W} or {B}.

Whenever you gain life, you may pay {1}{W}. If you do, put a +1/+1 counter on target creature for each 1 life you gained.

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.

You gain life equal to target creature's power. The next time that creature would deal damage this turn, prevent that damage.

Death Grasp deals X damage to any target. You gain X life.

Whenever another creature dies, you may gain 1 life.

Flying

Whenever you gain life, target opponent loses that much life.

{1}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

Enchant creature

When Divine Favor enters the battlefield, you gain 3 life.

Enchanted creature gets +1/+3.

Deathtouch

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

Whenever another creature you control dies, each opponent loses 1 life.

Flying

Whenever you gain life, put a +1/+1 counter on Elenda's Hierophant.

When Elenda's Hierophant dies, create X 1/1 white Vampire creature tokens with lifelink, where X is its power.

+2: You gain 1 life for each creature you control.

-2: Create three 1/1 white Soldier creature tokens.

-5: Destroy all other permanents except for lands and tokens.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Indestructible

As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Your opponents can't gain life.

{1}{B}, Pay 2 life: Draw a card.

Essence Extraction deals 3 damage to target creature and you gain 3 life.

{T}: Add one mana of any color that a land an opponent controls could produce.

Whenever an opponent loses life, you gain that much life.

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

Famished Paladin doesn't untap during your untap step.

Whenever you gain life, untap Famished Paladin.

Whenever you sacrifice another creature, you gain 1 life and scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

{1}, Sacrifice another creature: Fleshtaker gets +2/+2 until end of turn.

Forsaken Sanctuary enters the battlefield tapped.

{T}: Add {W} or {B}.

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

Goldmire Bridge enters the battlefield tapped.

Indestructible

{T}: Add {W} or {B}.

{B}, Pay 2 life: Draw a card.

{T}: Add {C}.

{T}, Sacrifice a creature: You gain 1 life.

When Highway Robber enters the battlefield, target opponent loses 2 life and you gain 2 life.

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

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.

When Inspiring Cleric enters the battlefield, you gain 4 life.

Destroy target artifact or enchantment. You gain 4 life.

Isolated Chapel enters the battlefield tapped unless you control a Plains or a Swamp.

{T}: Add {W} or {B}.

Kabira Crossroads enters the battlefield tapped.

When Kabira Crossroads enters the battlefield, you gain 2 life.

{T}: Add {W}.

Whenever an opponent casts a noncreature spell, that player loses 2 life and you gain 2 life.

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.

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

0: Exile Kaya, Ghost Assassin or up to one target creature. Return that card to the battlefield under its owner's control at the beginning of your next upkeep. You lose 2 life.

-1: Each opponent loses 2 life and you gain 2 life.

-2: Each opponent discards a card and you draw a card.

First strike

If you would gain life, you gain that much life plus 1 instead.

{1}{W}: Knight of Dawn's Light gets +1/+1 until end of turn.

At the beginning of combat on your turn, if you control three or more creatures, Leonin Vanguard gets +1/+1 until end of turn and you gain 1 life.

Rather than pay {2} for each previous time you've cast this spell from the command zone this game, pay 2 life that many times.

Flying, lifelink

Whenever a player casts a spell, they lose 2 life.

Enchant creature

Enchanted creature has "Whenever you gain life, put that many +1/+1 counters on this creature."

When Lone Missionary enters the battlefield, you gain 4 life.

Lifelink

At the beginning of your end step, if you gained life this turn, you may pay {2}. If you do, draw a card.

Flying, vigilance

You have hexproof.

Whenever Metropolis Reformer is dealt damage, you gain that much life.

Target creature gets -2/-2 until end of turn. You gain 2 life.

You gain 1 life. Target creature gets -X/-X until end of turn, where X is the amount of life you gained this turn.

Whenever you gain life, you may put that many +1/+1 counters on each creature you control. Do this only once each turn.

When Obzedat, Ghost Council enters the battlefield, target opponent loses 2 life and you gain 2 life.

At the beginning of your end step, you may exile Obzedat. If you do, return it to the battlefield under its owner's control at the beginning of your next upkeep. It gains haste.

Orzhov Basilica enters the battlefield tapped.

When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand.

{T}: Add {W}{B}.

Orzhov Guildgate enters the battlefield tapped.

{T}: Add {W} or {B}.

{T}: Add {W} or {B}.

{W}{B}: Orzhov Keyrune becomes a 1/4 white and black Thrull artifact creature with lifelink until end of turn.

{T}: Add {W} or {B}.

{W/B}{W/B}{W/B}{W/B}, {T}, Sacrifice Orzhov Locket: Draw two cards.

{1}, {T}: Add {W}{B}.

Pharika's Cure deals 2 damage to target creature and you gain 2 life.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Whenever a land enters the battlefield under an opponent's control, that player loses 2 life and you gain 2 life.

When Priest of Ancient Lore enters the battlefield, you gain 1 life and draw a card.

Restless Fortress enters the battlefield tapped.

{T}: Add {W} or {B}.

{2}{W}{B}: Restless Fortress becomes a 1/4 white and black Nightmare creature until end of turn. It's still a land.

Whenever Restless Fortress attacks, defending player loses 2 life and you gain 2 life.

You gain 3 life.

Draw a card.

You gain 3 life.

Draw a card.

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.

You gain 4 life.

Draw a card.

Flying, deathtouch, lifelink

Whenever you gain life, Rodolf Duskbringer gains indestructible until end of turn.

At the beginning of your end step, you may pay {1}{W/B}. When you do, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of life you gained this turn.

Whenever you gain life, target opponent loses that much life.

When Savannah Sage enters the battlefield, you gain 2 life.

Scoured Barrens enters the battlefield tapped.

When Scoured Barrens enters the battlefield, you gain 1 life.

{T}: Add {W} or {B}.

Whenever you gain life, you may pay {W}. If you do, put a +1/+1 counter on target creature.

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

As long as you have 30 or more life, Serra Ascendant gets +5/+5 and has flying.

When Serrated Scorpion dies, it deals 2 damage to each opponent and you gain 2 life.

Shield Mare can't be blocked by red creatures.

When Shield Mare enters the battlefield or becomes the target of a spell or ability an opponent controls, you gain 3 life.

Medicus Ministorum -- When Sister Hospitaller enters the battlefield, return target creature card from your graveyard to the battlefield. You gain life equal to its mana value.

{T}: Add {C}{C}.

Destroy target artifact or enchantment. You gain 4 life.

Sorin's Thirst deals 2 damage to target creature and you gain 2 life.

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

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

Whenever you cast a noncreature spell, you gain 2 life.

Enchant creature

Enchanted creature has "Whenever you gain life, put that many +1/+1 counters on this creature."

({T}: Add {W} or {B}.)

Sunlit Marsh enters the battlefield tapped.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

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.)

At the beginning of each end step, if you gained 4 or more life this turn, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

{T}: Add {C}.

{T}: Add {W} or {B}. Talisman of Hierarchy deals 1 damage to you.

Temple of Silence enters the battlefield tapped.

When Temple of Silence enters the battlefield, scry 1.

{T}: Add {W} or {B}.

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

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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.)

Constellation -- Whenever Underworld Coinsmith or another enchantment enters the battlefield under your control, you gain 1 life.

{W}{B}, Pay 1 life: Each opponent loses 1 life.

Enchant land

Enchanted land has "{T}, Pay 1 life: Draw a card."

Vicious Hunger deals 2 damage to target creature and you gain 2 life.

Whenever you gain life, target opponent loses that much life.

{3}{B}{B}: Creatures you control gain lifelink until end of turn.

{1}{W}{B}: Target creature gains lifelink until end of turn.

{1}{W}{B}: Whenever you gain life this turn, each opponent loses that much life.

Whenever you gain life, put a +1/+1 counter on Voice of the Blessed.

As long as Voice of the Blessed has four or more +1/+1 counters on it, it has flying and vigilance.

As long as Voice of the Blessed has ten or more +1/+1 counters on it, it has indestructible.

Defender (This creature can't attack.)

Whenever you gain life, put a +1/+1 counter on Wall of Limbs.

{5}{B}{B}, Sacrifice Wall of Limbs: Target player loses X life, where X is Wall of Limbs's power.

Defender, flying

At the beginning of your end step, you may gain life equal to the power of target creature you control.

Whenever you gain life, you may pay {X}, where X is less than or equal to the amount of life you gained. If you do, draw X cards.