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.

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.

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

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

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

Eternity Vessel enters the battlefield with X charge counters on it, where X is your life total. Landfall — Whenever a land enters the battlefield under your control, you may have your life total become the number of charge counters on Eternity Vessel.

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

{T}: Add three mana of any one color.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

{T}, Sacrifice Mirror Universe: Exchange life totals with target opponent. Activate only during your upkeep.

As long as Pact Weapon is attached to a creature, you don't lose the game for having 0 or less life. Whenever equipped creature attacks, draw a card and reveal it. The creature gets +X/+X until end of turn and you lose X life, where X is that card's mana value. Equip—Discard a card.

As Phyrexian Processor enters the battlefield, pay any amount of life. {4}, {T}: Create an X/X black Phyrexian Minion creature token, where X is the life paid as Phyrexian Processor entered the battlefield.

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

{6}, {T}: Two target players exchange life totals.

{T}, Pay 1 life: Destroy target permanent you own. {T}, Pay 2 life: Add one mana of any color. {T}, Pay 3 life: Proliferate. {T}, Pay 4 life: Draw a card. {5}: Untap Staff of Compleation.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

{T}, Sacrifice Tainted Sigil: You gain life equal to the total life lost by all players this turn. (Damage causes loss of life.)

{T}: Add {C}. {T}: Add {R} or {W}. Talisman of Conviction deals 1 damage to you.

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

{T}: Add {C}. {T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.

At the beginning of your end step, if you gained 3 or more life this turn, create a 3/3 white Angel creature token with flying. {W}{W}{W}, {T}, Exile The Book of Exalted Deeds: Put an enlightened counter on target Angel. It gains "You can't lose the game and your opponents can't win the game." Activate only as a sorcery.

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

You have no maximum hand size. At the beginning of your upkeep, you gain 1 life for each card in your hand.

When Wedding Ring enters the battlefield, if it was cast, target opponent creates a token that's a copy of it. Whenever an opponent who controls an artifact named Wedding Ring draws a card during their turn, you draw a card. Whenever an opponent who controls an artifact named Wedding Ring gains life during their turn, you gain that much life.

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.

Lifelink {4}: Exchange your life total with Evra, Halcyon Witness's power.

({B/P} can be paid with either {B} or 2 life.) Lifelink For each {B} in a cost, you may pay 2 life rather than pay that mana. Whenever you cast a black spell, put a +1/+1 counter on K'rrik, Son of Yawgmoth.

This spell costs {1} less to cast for each 1 life you gained this turn. First strike, lifelink Pay 5 life: Put three +1/+1 counters on Licia, Sanguine Tribune. Activate only during your turn and only once each turn.

Whenever a player casts their second spell each turn, you lose 1 life and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}, Sacrifice Magus of the Mirror: Exchange life totals with target opponent. Activate only during your upkeep.

Menace {T}: Spells you cast this turn that are black and/or red cost {X} less to cast, where X is the amount of life you lost this turn. Activate only as a sorcery.

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.) {T}, Pay 2 life: Remove a counter from target nonland permanent.

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Pay 3 life: Add {R}.

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

Flying {B}, Pay 2 life: Target creature gets -1/-1 until end of turn. Whenever you lose life, draw that many cards. (Damage causes loss of life.)

Whenever you gain life, target opponent loses that much life. {3}{B}{B}: Creatures you control gain lifelink until end of turn.

At the beginning of your upkeep, you may have two target players exchange life totals.

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.

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.

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.

At the beginning of your upkeep, put two descent counters on Descent into Avernus. Then each player creates X Treasure tokens and Descent into Avernus deals X damage to each player, where X is the number of descent counters on Descent into Avernus.

Whenever you pay life, put that many blood counters on Font of Agonies. {1}{B}, Remove four blood counters from Font of Agonies: Destroy target creature.

At the beginning of your upkeep, Form of the Dragon deals 5 damage to any target. At the beginning of each end step, your life total becomes 5. Creatures without flying can't attack you.

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

Hexproof You can't lose the game. Whenever you gain life, draw that many cards. Whenever you lose life, for each 1 life you lost, exile a permanent you control or a card from your hand or graveyard. When Lich's Mastery leaves the battlefield, you lose the game.

At the beginning of your upkeep, if you have exactly 1 life, you win the game.

Skip your draw step. Whenever you discard a card, exile that card from your graveyard. Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

{2}{B}, Discard a card: Target opponent loses 1 life and you gain 1 life. Hellbent — {1}, Pay 2 life: Draw a card. Activate only if you have no cards in hand.

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.

You don't lose the game for having 0 or less life. As long as you have 0 or less life, all damage is dealt to you as though its source had infect. (Damage is dealt to you in the form of poison counters.)

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

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Players can't get counters. Counters can't be put on artifacts, creatures, enchantments, or lands.

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

Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. You may repeat this process any number of times.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.

Cast this spell only during your end step. As an additional cost to cast this spell, pay X life. Draw X cards.

You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone.

{T}: Add {C}. {T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

Boseiju, Who Shelters All enters the battlefield tapped. {T}, Pay 2 life: Add {C}. If that mana is spent on an instant or sorcery spell, that spell can't be countered.

Castle Locthwain enters the battlefield tapped unless you control a Swamp. {T}: Add {B}. {1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.

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

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

{T}: Add {C}. {1}, {T}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash.

Cumulative upkeep—Pay 2 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When Glacial Chasm enters the battlefield, sacrifice a land. Creatures you control can't attack. Prevent all damage that would be dealt to you.

{T}: Add {C}. {1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

Hall of the Bandit Lord enters the battlefield tapped. {T}, Pay 3 life: Add {C}. If that mana is spent on a creature spell, it gains haste.

{T}: Add {C}. {R}, {T}: Target creature gains haste until end of turn. {3}{R}{R}, {T}: If you both own and control Hanweir Battlements and a creature named Hanweir Garrison, exile them, then meld them into Hanweir, the Writhing Township.

{T}: Add {C}. {1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}, Pay 1 life: Add {W} or {B}. {1}, {T}, Sacrifice Silent Clearing: Draw a card.

{T}: Add {C}. {T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

{T}, Pay 1 life: Add {R} or {W}. {1}, {T}, Sacrifice Sunbaked Canyon: Draw a card.

{T}: Add {C}. {2}{W}{B}, {T}: Creatures you control gain deathtouch and lifelink until end of turn.

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

Each player may bid life. You start the bidding with a bid of any number. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid and draws four cards.

Target player draws cards equal to half the number of cards in their library and loses half their life. Round up each time.

Two target players exchange life totals. You create an X/X colorless Horror artifact creature token, where X is the difference between those players' life totals.

Each player's life total becomes the lowest life total among all players.