Whenever an opponent casts a creature spell, Aether Sting deals 1 damage to that player.

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn.

Pay 50 life: Aetherflux Reservoir deals 50 damage to any target.

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

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

+1: You gain life equal to the number of creatures you control plus the number of planeswalkers you control.

-2: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate."

0: If you have at least 15 life more than your starting life total, exile Ajani, Strength of the Pride and each artifact and creature your opponents control.

Flying

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

Angel of Vitality gets +2/+2 as long as you have 25 or more life.

At the beginning of each end step, if you gained 4 or more life this turn, create a 4/4 white Angel creature token with flying.

Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.

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.

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.

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Whenever you gain life, put a +1/+1 counter on Bloodbond Vampire.

Flying

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

Whenever one or more loyalty counters are removed from Chandra, Fire Artisan, she deals that much damage to target opponent or planeswalker.

+1: Exile the top card of your library. You may play it this turn.

-7: Exile the top seven cards of your library. You may play them this turn.

+1: Exile the top card of your library. You may cast that card. If you don't, Chandra, Torch of Defiance deals 2 damage to each opponent.

+1: Add {R}{R}.

-3: Chandra, Torch of Defiance deals 4 damage to target creature.

-7: You get an emblem with "Whenever you cast a spell, this emblem deals 5 damage to any target."

Whenever an opponent casts a noncreature spell, Cindervines deals 1 damage to that player.

{1}, Sacrifice Cindervines: Destroy target artifact or enchantment. Cindervines deals 2 damage to that permanent's controller.

Whenever a creature without flying attacks you or a planeswalker you control, Circle of Flame deals 1 damage to that creature.

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

Whenever you gain life for the first time each turn, put a +1/+1 counter on Cleric of Life's Bond.

Flying

Whenever you gain life, each opponent loses 1 life.

Whenever a creature you control becomes blocked, Close Quarters deals 1 damage to any target.

Choose any number of target creature and/or planeswalker cards in graveyards. Command the Dreadhorde deals damage to you equal to the total mana value of those cards. Put them onto the battlefield under your control.

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.

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.

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.

Flying

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

Flying, lifelink

Divinity of Pride gets +4/+4 as long as you have 25 or more life.

Flying, double strike, lifelink

Whenever you gain life, draw a card.

Whenever you gain life, each opponent loses 1 life.

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

Draw a card, then each other player may draw a card. Whenever a card is drawn this way, Explosion of Riches deals 5 damage to target opponent chosen at random from among your opponents.

{G}, {T}, Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.

Vigilance, lifelink

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

Whenever you gain life, put two +1/+1 counters on Gideon's Company.

{3}{W}: Put a loyalty counter on target Gideon planeswalker.

At the beginning of your end step, if you gained 3 or more life this turn, create a 2/2 white Griffin creature token with flying.

Indestructible

As long as your devotion to white is less than five, Heliod isn't a creature.

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

{1}{W}: Another target creature gains lifelink until end of turn.

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

When Imperial Recruiter enters the battlefield, search your library for a creature card with power 2 or less, reveal it, put it into your hand, then shuffle.

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.

Search your library for up to two creature cards and reveal them. Put one into your hand and the other into your graveyard. Then shuffle.

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.

{R}: All creatures gain trample and haste until end of turn.

{1}{G}: Put a +1/+1 counter on target creature.

{2}{W}: Target player gains 5 life.

{3}{U}: Target player draws a card.

{4}{B}: Put target creature card from a graveyard onto the battlefield under its owner's control.

Lifelink

At the beginning of each end step, if you gained life this turn, distribute up to that many +1/+1 counters among any number of other target creatures.

If Leyline of Combustion is in your opening hand, you may begin the game with it on the battlefield.

Whenever you and/or at least one permanent you control becomes the target of a spell or ability an opponent controls, Leyline of Combustion deals 2 damage to that player.

Whenever one or more creatures attack, Lightmine Field deals damage to each of those creatures equal to the number of attacking creatures.

{G}, {T}, Sacrifice Magus of the Order and another green creature: Search your library for a green creature card, put it onto the battlefield, then shuffle.

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

Whenever you gain life, each opponent loses 1 life.

Whenever an opponent discards a card, Megrim deals 2 damage to that player.

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

Search your library for a green creature card, put it onto the battlefield, then shuffle.

At the beginning of your upkeep, you gain 2 life.

Whenever you gain life, you may pay {1}. If you do, draw a card and each opponent loses 1 life.

At the beginning of your upkeep, if Oloro, Ageless Ascetic is in the command zone, you gain 2 life.

Indestructible

As long as your devotion to red is less than five, Purphoros isn't a creature.

Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent.

{2}{R}: Creatures you control get +1/+0 until end of turn.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pyrohemia.

{R}: Pyrohemia deals 1 damage to each creature and each player.

Flying

At the beginning of each end step, if you gained life this turn, create a 1/1 black Bat creature token with flying.

Whenever a creature is dealt damage, Repercussion deals that much damage to that creature's controller.

Flying

At the beginning of each end step, if you gained 5 or more life this turn, create a 4/4 white Angel creature token with flying and vigilance.

{3}{W}{W}{W}: Until end of turn, Resplendent Angel gets +2/+2 and gains lifelink.

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

Whenever you gain life, you may pay {2}. If you do, Searing Meditation deals 2 damage to any target.

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

Search your library for up to two creature cards with different names, reveal them, put them into your hand, then shuffle.

At the beginning of your end step, if you gained 3 or more life this turn, return Silversmote Ghoul from your graveyard to the battlefield tapped.

{1}{B}, Sacrifice Silversmote Ghoul: Draw a card.

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

Lifelink

Instant and sorcery spells you control have lifelink.

{2}{U/R}{U/R}: The next time you cast an instant or sorcery spell from your hand this turn, put that card into your hand instead of into your graveyard as it resolves.

Destroy target land. Star of Extinction deals 20 damage to each creature and each planeswalker.

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

At the beginning of your next upkeep, pay {2}{G}{G}. If you don't, you lose the game.

{G}, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

Whenever a noncreature source you control deals damage, you gain that much life.

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

Creatures you control have double strike and lifelink.

Whenever you gain life, put a +1/+1 counter on Twinblade Paladin.

As long as you have 25 or more life, Twinblade Paladin has double strike. (It deals both first-strike and regular combat damage.)

Landfall -- Whenever a land enters the battlefield under your control, exile the top card of your library. You may play that card for as long as it remains exiled.

At the beginning of your end step, if there are cards exiled with Valakut Exploration, put them into their owner's graveyard, then Valakut Exploration deals that much damage to each opponent.

Flying, lifelink

At the beginning of each end step, if you gained 4 or more life this turn, create a 4/4 white Angel creature token with flying and vigilance.

Whenever a creature dies, you may have Vicious Shadows deal damage to target player equal to the number of cards in that player's hand.

Trample

If damage would be dealt to another creature you control, prevent that damage. Put a +1/+1 counter on that creature for each 1 damage prevented this way.

When Vigor is put into a graveyard from anywhere, shuffle it into its owner's library.

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.

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.

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.

Creatures you control have lifelink.

{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery.

Deathtouch

At the beginning of your end step, if you gained life this turn, each opponent sacrifices a creature and you return up to one target creature card from your graveyard to your hand.