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

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

Whenever a creature dies, put a charge counter on this enchantment. At the beginning of your first main phase, add {B} for each charge counter on this enchantment.

{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}.

Add {B}{B}{B}.

When this creature dies, scry 1 and create a Treasure token. (To scry 1, look at the top card of your library. You may put that card on the bottom. A Treasure token is an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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

Whenever this creature or another nontoken creature you control dies, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this token: Add {C}."

Sacrifice a creature: Add one mana of any color.

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.")

Flying Whenever this creature deals combat damage to a player, exile the top seven cards of that player's library, then put a creature card from among them onto the battlefield under your control.

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.)

Whenever this creature or another creature or planeswalker you control dies, each opponent loses 1 life and you gain 1 life.

Deathtouch Whenever another creature you control enters, you gain 1 life. Whenever another creature you control dies, each opponent loses 1 life.

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

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

Return target creature card and all other cards with the same name as that card from your graveyard to your hand.

Return each creature card with mana value X from your graveyard to the battlefield.

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

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

{1}{B}: Return this card from your graveyard to the battlefield tapped.

Whenever a nontoken creature you control dies, you may search your library for a card with the same name as that creature, reveal it, put it into your hand, then shuffle.

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

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

Flying, trample Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.

Flying When this creature enters, search your library for a card, put it into your hand, then shuffle.

A deck can have any number of cards named Shadowborn Apostle. {B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.

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.

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.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever another nontoken creature dies, you may draw a card.

Flying At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature of their choice or pays 3 life.

Whenever a nontoken creature you control dies, this creature deals 1 damage to you and you draw a card.

You draw two cards and you lose 2 life.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

Spells you cast have ripple 4. (Whenever you cast a spell, you may reveal the top four cards of your library. You may cast spells with the same name as that spell from among the revealed cards without paying their mana costs. Put the rest on the bottom of your library.)

{1}{B}, Sacrifice a creature: You gain 1 life and draw a card.

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.)

When this creature enters, each player sacrifices a nontoken creature of their choice.

Exile target nonland permanent. You lose 3 life.

Flying At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

Flash Whenever a creature you control dies, each opponent sacrifices a creature of their choice.

When this creature enters, each player sacrifices a creature of their choice.

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

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flying Morbid — At the beginning of each end step, if a creature died this turn, destroy target non-Demon creature.

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

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

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

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

This land enters tapped unless you control two or fewer other lands. {T}: Add {W} or {B}.

This land enters tapped. {T}: Add {B}. {2}, {T}: Add {B} for each black creature card in your graveyard.

({T}: Add {W} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}: Add {C}. {T}, Sacrifice a creature: You gain 1 life.

This land enters tapped unless you control a Plains or a Swamp. {T}: Add {W} or {B}.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

{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.)

({T}: Add {W}.)

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

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {W} or {B}.

This land enters tapped unless you control two or more other lands. {T}: Add {W} or {B}.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {W} or {B}. Activate only if you control a Swamp.

{T}: Add {B}. Channel — {3}{B}, Discard this card: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {W} or {B}.

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

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {B}.