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 a +1/+1 counter on Ajani's Pridemate.

+1: Put a +1/+1 counter on up to one target creature.

-3: Target creature gains flying and double strike until end of turn.

-8: Create X 2/2 white Cat creature tokens, where X is your life total.

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

If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Arcane Sanctum enters the battlefield tapped.

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

At the beginning of your upkeep, put a doom counter on Armageddon Clock.

At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player.

{4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.

Deathtouch

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

{1}{W}{B}, Sacrifice another creature: Exile target nonland permanent. Activate only if you have at least 10 life more than your starting life total.

Azorius Chancery enters the battlefield tapped.

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

{T}: Add {W}{U}.

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

Double target player's life total. Shuffle Beacon of Immortality into its owner's library.

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.

Council's dilemma -- Starting with you, each player votes for death or taxes. Each opponent sacrifices a creature for each death vote and discards a card for each taxes vote.

Enchant creature

Enchanted creature gets +3/+3.

Whenever enchanted creature deals combat damage to a player, double its controller's life total.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

Flying

Whenever you gain life, each opponent loses 1 life.

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

Counter target spell.

No more than two creatures can attack you each combat.

Indestructible

{T}: Add one mana of any color.

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

Flying

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

Search your library for a card, put that card into your hand, then shuffle.

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

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

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

Flying, lifelink

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

Flying

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

Flying, double strike, lifelink

Whenever you gain life, draw a card.

Choose one --

• You gain 5 life.

• Counter target spell.

• Target creature gets -2/-2 until end of turn.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

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

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

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.

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

Council's dilemma -- Starting with you, each player votes for time or money. For each time vote, take an extra turn after this one. For each money vote, choose a permanent owned by the voter and gain control of it. Exile Expropriate.

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.

Vigilance, lifelink

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

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

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

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

You choose how each player votes this turn.

Draw a card.

({T}: Add {U}.)

({T}: Add {U}.)

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

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

Jwar Isle Refuge enters the battlefield tapped.

When Jwar Isle Refuge enters the battlefield, you gain 1 life.

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

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.

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.

Flying

When Magister Sphinx enters the battlefield, target player's life total becomes 10.

{4}, {T}: Put a charge counter on Magistrate's Scepter.

{T}, Remove three charge counters from Magistrate's Scepter: Take an extra turn after this one.

Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.

Destroy target creature or enchantment.

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.

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.

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}.

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

At the beginning of your upkeep, you draw a card and you lose 1 life.

{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.

({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} or {U}.)

Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

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

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

You have no maximum hand size.

{T}: Add {C}.

Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.

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 an opponent casts a spell, you may draw a card unless that player pays {1}.

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

Scoured Barrens enters the battlefield tapped.

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

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

Serra Avatar's power and toughness are each equal to your life total.

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

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

+1: Reveal the top card of your library and put that card into your hand. Each opponent loses life equal to its mana value.

-X: Sorin, Grim Nemesis deals X damage to target creature or planeswalker and you gain X life.

-9: Create a number of 1/1 black Vampire Knight creature tokens with lifelink equal to the highest life total among all players.

Flying, first strike, vigilance, lifelink, protection from red and from green

You gain X life and draw X cards.

Cast this spell only during combat.

Untap target creature you don't control and gain control of it. It gains haste until end of turn. At the beginning of the next end step, sacrifice it. If you do, you gain life equal to its toughness.

Whenever you're dealt damage, put that many charge counters on Sun Droplet.

At the beginning of each upkeep, you may remove a charge counter from Sun Droplet. If you do, you gain 1 life.

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

Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

Flying

Whenever an opponent casts a spell, put a +1/+1 counter on Sunscorch Regent and you gain 1 life.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{T}: Add {C}{C}. Activate only if you control five or more lands.

Tranquil Cove enters the battlefield tapped.

When Tranquil Cove enters the battlefield, you gain 1 life.

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

Defender

{T}: Exchange target opponent's life total with Tree of Perdition's toughness.

Each land is a Swamp in addition to its other land types.

Exile target nonland permanent.

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.

Destroy all creatures. They can't be regenerated.