Whenever you gain life, put that many +1/+1 counters on Ageless Entity.

At the beginning of your upkeep, each opponent loses 1 life. You gain life equal to the life lost this way.

+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."

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

Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.

Whenever a creature enters the battlefield under your control, you gain life equal to its toughness.

Flying

At the beginning of each combat, choose first strike, vigilance, or lifelink. Creatures you control gain that ability until end of turn.

You gain 2 life for each card in your graveyard, then shuffle your graveyard into your library.

Enchant creature

Enchanted creature gets +2/+2 and has trample.

Whenever enchanted creature deals damage, you gain that much life.

Protection from black and from red

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

Azorius Herald can't be blocked.

When Azorius Herald enters the battlefield, you gain 4 life.

When Azorius Herald enters the battlefield, sacrifice it unless {U} was spent to cast it.

You gain 3 life for each creature attacking you.

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.)

Artifacts and creatures your opponents control enter the battlefield tapped.

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

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

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

You gain 1 life for each land you control.

{T}: You gain 1 life.

You may pay {W}{U}{B}{R}{G} rather than pay this spell's mana cost.

Trample

At the beginning of your upkeep, you may pay 2 life. If you do, search your library for a card, then shuffle and put that card on top.

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

At the beginning of each upkeep, you gain 3 life.

{T}: You gain 1 life. Then if you have at least 10 life more than your starting life total, transform Chalice of Life.

{T}: Target player loses 5 life.

Sacrifice Children of Korlis: You gain life equal to the life you've lost this turn. (Damage causes loss of life.)

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)

At the beginning of your upkeep, you may gain life equal to the number of charge counters on Clearwater Goblet.

Target player sacrifices a creature. You gain life equal to that creature's toughness.

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.)

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.

You gain X life if {G} was spent to cast this spell and X life if {W} was spent to cast this spell. (Do both if {G}{W} was spent.)

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

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

When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

Whenever Engulfing Slagwurm blocks or becomes blocked by a creature, destroy that creature. You gain life equal to that creature's toughness.

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.

You gain 10 life. Then if you have more life than an opponent, create a 5/5 white Giant Warrior creature token.

Flying

Whenever Goldenglow Moth blocks, you may gain 4 life.

Flying, lifelink

Pay 7 life: Draw seven cards.

Whenever another creature enters the battlefield under your control, you gain 2 life.

You gain 20 life.

Suspend 10--{W} (Rather than cast this card from your hand, you may pay {W} and exile it with ten time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Target player gains 7 life.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Kabira Crossroads enters the battlefield tapped.

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

{T}: Add {W}.

When Kitchen Finks enters the battlefield, you gain 2 life.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

When Loxodon Hierarch enters the battlefield, you gain 4 life.

{G}{W}, Sacrifice Loxodon Hierarch: Regenerate each creature you control.

Equipped creature gets +3/+0 and has trample and lifelink.

Equip {3}

Prevent all combat damage that would be dealt this turn.

Cycling {2} ({2}, Discard this card: Draw a card.)

Vigilance

When Luminate Primordial enters the battlefield, for each opponent, exile up to one target creature that player controls and that player gains life equal to its power.

Enchant creature

Whenever enchanted creature attacks or blocks, you gain 4 life.

{T}: You gain 1 life.

As an additional cost to cast this spell, sacrifice a creature.

You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness.

Kicker {1}{G} and/or {W} (You may pay an additional {1}{G} and/or {W} as you cast this spell.)

If Necravolver was kicked with its {1}{G} kicker, it enters the battlefield with two +1/+1 counters on it and with trample.

If Necravolver was kicked with its {W} kicker, it enters the battlefield with a +1/+1 counter on it and with "Whenever Necravolver deals damage, you gain that much life."

You gain 6 life.

{1}{W}, {T}: You gain 5 life.

{1}{U}, {T}: Draw a card, then discard a card.

{1}{B}, {T}: Target creature gets -2/-2 until end of turn.

{1}{R}, {T}: Obelisk of Alara deals 3 damage to target player or planeswalker.

{1}{G}, {T}: Target creature gets +4/+4 until end of turn.

When Obstinate Baloth enters the battlefield, you gain 4 life.

If a spell or ability an opponent controls causes you to discard Obstinate Baloth, put it onto the battlefield instead of putting it into your graveyard.

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.

{X}, {T}: You gain X life.

First strike

{W}{U}{B}{R}{G}: Until end of turn, Paragon of the Amesha becomes an Angel, gets +3/+3, and gains flying and lifelink.

You gain 2 life for each creature you control.

Trample

When Pelakka Wurm enters the battlefield, you gain 7 life.

When Pelakka Wurm dies, draw a card.

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

Other creatures you control have extort. (If a creature has multiple instances of extort, each triggers separately.)

Choose two --

• Target player gains 7 life.

• Put target noncreature permanent on top of its owner's library.

• Target player shuffles their graveyard into their library.

• Search your library for a creature card, reveal it, put it into your hand, then shuffle.

{T}: Add {C}. You gain 1 life.

Choose one --

• You draw five cards and you lose 5 life.

• Create an X/X black Demon creature token with flying, where X is the number of cards in your hand.

Entwine {4} (Choose both if you pay the entwine cost.)

Enchant artifact or enchantment

At the beginning of your upkeep, choose one --

• Destroy enchanted permanent.

• You gain 2 life.

Enchant creature

Enchanted creature can't attack or block.

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

Target player gains 4 life.

Landfall -- If you had a land enter the battlefield under your control this turn, that player gains 8 life instead.

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.

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

Indestructible

Whenever Sapling of Colfenor attacks, reveal the top card of your library. If it's a creature card, you gain life equal to that card's toughness, lose life equal to its power, then put it into your hand.

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.

Sorin's Vengeance deals 10 damage to target player or planeswalker and you gain 10 life.

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

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

Target player gains X life.

At the beginning of your upkeep, each opponent loses 1 life. You gain life equal to the life lost this way.

Exile X target cards from target player's graveyard. For each card exiled this way, that player loses 1 life and you gain 1 life.

Equipped creature gets +2/+2 and has protection from red and from white.

Whenever equipped creature deals combat damage to a player, Sword of War and Peace deals damage to that player equal to the number of cards in their hand and you gain 1 life for each card in your hand.

Equip {2}

As Tablet of the Guilds enters the battlefield, choose two colors.

Whenever you cast a spell, if it's at least one of the chosen colors, you gain 1 life for each of the chosen colors it is.

When Thragtusk enters the battlefield, you gain 5 life.

When Thragtusk leaves the battlefield, create a 3/3 green Beast creature token.

{8}, {T}: You gain 10 life.

Flying, deathtouch, lifelink

You have no maximum hand size.

At the beginning of your upkeep, you gain 1 life for each card in your hand.

{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.

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.