Whenever you gain life, target opponent loses that much life. When Enduring Tenacity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Until end of turn, whenever a player gains life, that player loses 2 life for each 1 life they gained.

Flying Rot Fly — If an opponent would gain life, that player loses that much life instead.

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

If an opponent would gain life, that player loses that much life instead.

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

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.

Up to one target creature you control gains protection from each of your opponents until end of turn. Draw a card. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything controlled by those players.) Fateful hour — If you have 5 or less life, you can't lose life this turn, you can't lose the game this turn, and your opponents can't win the game this turn.

All creatures gain hexproof and indestructible until end of turn. Players gain hexproof until end of turn. Players can't lose life this turn and players can't lose the game or win the game this turn.

Target permanent you control gains protection from the color of your choice until end of turn. Fateful hour — If you have 5 or less life, instead you and each permanent you control gain protection from the color of your choice until end of turn.

You may sacrifice a nontoken white creature rather than pay this spell's mana cost. Until end of turn, your life total can't change, and permanents you control gain hexproof and indestructible.

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 this land enters, sacrifice a land. Creatures you control can't attack. Prevent all damage that would be dealt to you.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

Prevent all combat damage that would be dealt to you this turn. For each 1 damage prevented this way, create a 2/1 white and black Inkling creature token with flying.

Counter target spell that targets a permanent you control.

You and permanents you control gain hexproof until end of turn. Prevent all damage that black and/or red sources would deal to creatures you control this turn.

Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.) Exile Teferi's Protection.

When this creature dies, you may exile it. If you do, search your library for an enchantment card, put that card onto the battlefield, then shuffle.

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

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Choose two target players. Each of them searches their library for a card, then shuffles and puts that card on top.

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

When this creature enters, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

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

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

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

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.

Redistribute any number of players' life totals. (Each of those players gets one life total back.)

+2: Sorin Markov deals 2 damage to any target and you gain 2 life. −3: Target opponent's life total becomes 10. −7: You control target player during that player's next turn.

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.

Players have no maximum hand size. At the beginning of each player's draw step, that player draws an additional card, then discards a card.

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.

Whenever you attack with two or more creatures, draw a card. {2}, Discard a card: Create a 2/2 white and blue Knight creature token with vigilance.

{2}, {T}: Draw a card, then discard a card. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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.

Each player discards all the cards in their hand, then draws that many cards minus one.

Offspring {B} (You may pay an additional {B} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Flying 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.

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.

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

At the beginning of your upkeep, you and target opponent each reveal the top card of your library. You each lose life equal to the mana value of the card revealed by the other player. You each put the card you revealed into your hand.

Look at the top five cards of your library. For each card, put that card into your graveyard unless you pay 2 life. Then put the rest into your hand.

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

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.

You draw two cards and you lose 2 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.)

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put this artifact on top of its owner's library.

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.

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

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

Flying When this creature enters, if your life total is less than your starting life total, it becomes equal to your starting life total.

Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

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.) Whenever you tap a Swamp for mana, add an additional {B}.

{2}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

If an opponent controls more lands than you, search your library for up to three Plains cards, reveal them, put them into your hand, then shuffle.

({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.

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

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 token: Add one mana of any color.")

Flying {1}{B}, {T}: Rather than pay the mana cost of the next spell you cast this turn, you may pay life equal to that spell's mana value.

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

Until end of turn, lands you control gain "Sacrifice this land: Add {B}."

Flying Discard a card: Add {B}.

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 token: Add one mana of any color.")

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

{T}: Add {C}. {T}: Add {W} or {B}. This artifact deals 1 damage to you.

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

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

+1: Until your next turn, prevent all damage target permanent would deal. 0: Until end of turn, Gideon becomes a 4/4 Human Soldier creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn. 0: You get an emblem with "As long as you control a Gideon planeswalker, you can't lose the game and your opponents can't win the game."

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

As long as this Equipment 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.

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.)

Flying You can't lose the game and your opponents can't win the game.

This enchantment enters with X echo counters on it. You don't lose the game for having 0 or less life. At the beginning of your upkeep, sacrifice this enchantment if there are no echo counters on it. Otherwise, target opponent may choose that for each 1 damage that would be dealt to you until your next upkeep, you remove an echo counter from this enchantment instead.

{T}: Add {C}{C}. This land deals 2 damage to you.

{2}, {T}: Add {B} for each Swamp you control.

{T}: Add {C}. {T}: Add {W} or {B}. This land deals 1 damage to you.

Whenever this land becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color.

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

{T}: Add {C}. {1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

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

{T}: Add {C}. {1}, {T}, Sacrifice this land: Search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {W/B}, {T}: Add {W}{W}, {W}{B}, or {B}{B}.

This land enters tapped. {T}: Add {W} or {B}.

{T}: Add {C}. {2}, {T}: Each player draws a card, then discards a card.