Commander creatures you own have "Whenever an artifact or creature you control is put into a graveyard from the battlefield, each opponent loses 1 life."

Exile target creature. Put X +1/+1 counters on a commander creature you control, where X is the power of the creature exiled this way.

Add {B}{B}{B}.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Target creature gets -1/-1 until end of turn for each Swamp you control.

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

Choose one — • Target player discards a card. • Target creature gets +2/-1 until end of turn. • Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.)

Choose target creature card in a graveyard that was put there from the battlefield this turn. Put that card onto the battlefield under your control.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Black spells you cast cost {1} less to cast.

Suspend 3—{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) {T}, Sacrifice this artifact: Add three mana of any one color.

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

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.

This land enters tapped. When this land enters, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

{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 {C}. {T}, Sacrifice a creature: Add {B}{B}.

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

({T}: Add {B}.)

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

{B}, {T}, Sacrifice this creature: Return target creature card from your graveyard to the battlefield. That creature gains haste. At the beginning of the next end step, sacrifice it.

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.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) When this creature dies, each opponent loses 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.)

Menace, indestructible Bontu can't attack or block unless a creature died under your control this turn. {1}{B}, Sacrifice another creature: Scry 1. Each opponent loses 1 life and you gain 1 life.

Flying Atomic Transmutation — {1}, {T}, Sacrifice another artifact: Draw a card. Unearth {2}{B} ({2}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Whenever another creature dies, you may gain 1 life.

Each Sliver creature card in your graveyard has unearth {2}. Unearth {2} ({2}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Unearth {B} ({B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

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.)

Flying When Kokusho dies, each opponent loses 5 life. You gain life equal to the life lost this way.

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of Swamps you control.

Flash When this creature enters and whenever an opponent draws a card except the first one they draw in each of their draw steps, this creature deals 1 damage to any target. Then amass Orcs 1.

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}."

When this creature enters, each player sacrifices a creature or planeswalker of their choice. Each player who can't discards a card.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

Multikicker {1}{B} (You may pay an additional {1}{B} any number of times as you cast this spell.) Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) This creature enters with a +1/+1 counter on it for each time it was kicked.

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

When this creature enters, each player discards a card. Unearth {1}{B} ({1}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) Scavenge {2}{B} ({2}{B}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Flying Taborax has lifelink as long as it has five or more +1/+1 counters on it. Whenever another nontoken creature you control dies, put a +1/+1 counter on Taborax. If that creature was a Cleric, you may draw a card. If you do, you lose 1 life.

Blitz—{2}{B}{B}, Pay 2 life. (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.) You may cast this card from your graveyard using its blitz ability.

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 another creature you control dies, this creature deals 1 damage to each opponent and you gain 1 life.

Cycling {2} ({2}, Discard this card: Draw a card.) Unearth {1}{B} ({1}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Whenever one or more other creatures you control die, each opponent loses 2 life and you gain 2 life. This ability triggers only once each turn.

Whenever this creature deals combat damage to a player, you may exile target card from that player's graveyard.

Enchant creature card in a graveyard When this Aura enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with this Aura." Return enchanted creature card to the battlefield under your control and attach this Aura to it. When this Aura leaves the battlefield, that creature's controller sacrifices it. Enchanted creature gets -1/-0.

At the beginning of your upkeep, create X 2/2 black Zombie creature tokens, where X is half the number of Zombies you control, rounded down.

{3}{B}, Sacrifice this enchantment: Return up to three target creature cards from your graveyard to your hand.

(Gain the next level as a sorcery to add its ability.) At the beginning of your end step, if a creature died this turn, each opponent loses 1 life. {1}{B}: Level 2 When this Class becomes level 2, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard. {6}{B}: Level 3 At the beginning of your end step, each opponent loses life equal to the life they lost this turn. (Damage causes loss of life.)

Destroy all creatures. They can't be regenerated.

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

Each player puts a creature card from their graveyard onto the battlefield.

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

Return up to two target creature cards from your graveyard to your hand.

Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.) Draw a card.

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

Return target creature card from your graveyard to your hand. If you control an artifact, draw a card.

Return target creature card from your graveyard to your hand.

Target player draws two cards and loses 2 life.

Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent of their choice or discards a card.

Return target creature card with mana value 3 or less from your graveyard to the battlefield. Cycling {2} ({2}, Discard this card: Draw a card.)