Whenever this creature attacks, defending player loses 1 life and you gain 1 life.

Enchant creature you control When this Aura enters, target opponent discards two cards. Enchanted creature has lifelink.

When this enchantment enters, each opponent discards a card and loses 2 life. When this enchantment is put into a graveyard from the battlefield, scry 2. {2}{B}: Sacrifice this enchantment.

+1: Each player discards a card. Each opponent who can't loses 3 life. −3: Target creature gets -X/-X until end of turn, where X is the number of cards in your graveyard. −7: You get an emblem with "At the beginning of combat on your turn, put target creature card from a graveyard onto the battlefield under your control. It gains haste."

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

When this creature enters, if an opponent lost life this turn, each opponent loses 2 life and you gain 2 life.

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

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

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

Whenever you gain life, each opponent loses 1 life.

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

At the beginning of combat on your turn, each opponent loses 1 life and you gain 1 life. {T}, Pay 2 life, Sacrifice this artifact: Draw two cards. Activate only as a sorcery.

Flying When this creature enters, target opponent loses 1 life and you gain 1 life.

Offspring {2}{B} (You may pay an additional {2}{B} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Flying This creature can't block. Whenever you gain life, each opponent loses 1 life.

Flying Ward—Sacrifice a creature. Whenever a creature dies, target opponent loses 2 life and you gain 2 life.

Whenever Ayara or another black creature you control enters, each opponent loses 1 life and you gain 1 life. {T}, Sacrifice another black creature: Draw a card.

When this creature enters, choose one — • Create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life." • You draw a card and you lose 1 life. • Exile target player's graveyard.

Whenever this creature attacks, reveal the top card of your library and put it into your hand. You lose life equal to that card's mana value if this creature isn't saddled. Otherwise, each opponent loses that much life. Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

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.

Flying At the beginning of your end step, if you gained or lost life this turn, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Reveal the top three cards of your library. For each of those cards, put that card into your hand unless any opponent pays 3 life. Then exile the rest.

{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

Target creature gets +1/+1 and gains your choice of deathtouch or lifelink until end of turn. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it. Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

Whenever a player casts a black spell, you may gain 1 life.

As this creature enters, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.

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

Whenever a land an opponent controls enters, that player loses 2 life and you gain 2 life.

Whenever you cast a black spell or a Swamp you control enters, you gain 1 life.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Target creature gains deathtouch and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Choose one — • Put a +1/+1 counter on target creature. • Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

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

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}.

({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.

If you would draw a card while you have no cards in hand, draw two cards instead. If you would gain life while you have 5 or less life, you gain twice that much life instead. {T}: Add one mana of any color.

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

{T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on this artifact. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."

If a creature an opponent controls would die, exile it instead. At the beginning of your upkeep, put all creature cards exiled with Gisa onto the battlefield under your control. They gain decayed. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

Sacrifice any number of artifacts, enchantments, and/or tokens. Return that many creature cards from your graveyard to the battlefield.

Return up to two target creature cards from your graveyard to your hand, then discard a card.

Return target creature card from your graveyard to your hand. Flashback {4}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

This spell costs {3} less to cast if you've gained 3 or more life this turn. Return up to two target creature cards from your graveyard to your hand.

Consuming Corruption deals X damage to target creature or planeswalker and you gain X life, where X is the number of Swamps you control.

Exile all creature cards from target player's graveyard. You gain 3 life for each card exiled this way.

Flying, lifelink When this creature enters, look at target opponent's hand. You may exile a nonland card from it until this creature leaves the battlefield.

Whenever a creature you control dies, each other player sacrifices a creature of their choice.

Target creature gets -2/-2 until end of turn. You gain 2 life.

This spell can't be countered. (This includes by the ward ability.) Target creature gets -X/-X until end of turn.

Enchant creature Enchanted creature gets -2/-2. At the beginning of the upkeep of enchanted creature's controller, that player loses 2 life.

When The Meathook Massacre enters, each creature gets -X/-X until end of turn. Whenever a creature you control dies, each opponent loses 1 life. Whenever a creature an opponent controls dies, you gain 1 life.

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

Black creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

At the beginning of your upkeep, this creature deals 1 damage to each opponent. You gain life equal to the damage dealt this way.

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

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

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.)