Sacrifice a creature: This creature gets +2/+2 until end of turn.

This creature can't block. Sacrifice a creature: Put a +1/+1 counter on this creature.

{B}, Sacrifice a creature: Target creature gets -1/-1 until end of turn.

Sacrifice a creature: Put a charge counter on Spawning Pit. {1}, Remove two charge counters from Spawning Pit: Create a 2/2 colorless Spawn artifact creature token.

{1}, Sacrifice a creature: Look at the top two cards of target opponent's library, then exile one of them.

Sacrifice this creature: Target player loses 1 life.

When this creature dies, target player loses 2 life.

Flash Enchant creature At the beginning of your upkeep, you lose 1 life. {0}: Regenerate enchanted creature.

Equipped creature gets +2/+0 and has shroud. (It can't be the target of spells or abilities.) Whenever a Rogue creature enters, you may attach this Equipment to it. Equip {3}

Enchant creature Enchanted creature gets +1/+1. Sacrifice a creature: Regenerate enchanted creature.

Equipped creature gets +1/+2 and has hexproof. (It can't be the target of spells or abilities your opponents control.) Equip {3}

Enchant creature Pay 2 life: Regenerate enchanted creature.

Whenever one or more creature cards leave your graveyard, create a 1/1 black Bat creature token with flying.

When this creature dies, create a 2/2 black Zombie creature token.

Whenever a nontoken creature enters, if this artifact is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.

Whenever a nontoken creature you control dies, put a charge counter on this artifact. At the beginning of your upkeep, if this artifact has five or more charge counters on it, remove all of them from it and create that many 3/1 red Elemental creature tokens with haste. Exile them at the beginning of the next end step.

Flying When this creature enters, create two 1/1 black Goblin Rogue creature tokens. Sacrifice a Goblin: This creature has base power and toughness 3/3 until end of turn.

When this creature dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token. Rats you control have deathtouch.

Whenever a nontoken creature you control dies, create a 2/2 black Zombie creature token.

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

Sacrifice this creature: Target player loses 1 life and you gain 1 life.

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

Rally — Whenever this creature or another Ally you control enters, each opponent loses 1 life and you gain 1 life.

Fabricate 3 (When this creature enters, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.) Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to this creature's power.

Exploit (When this creature enters, you may sacrifice a creature.) When this creature exploits a creature, target opponent loses 2 life and you gain 2 life.

When this creature dies, each opponent loses 2 life.

Sacrifice a creature: Add {C}{C}.

{T}, Sacrifice this creature: Add {B}{B}.

Sacrifice this creature: Add {B}.

Defender When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

{T}: Add {B}.

When this creature dies, add {C}.

Discard a card, Sacrifice this creature: Add {B}{B}{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}."

Flying When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Devoid (This card has no color.) Whenever another nontoken creature you control dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add {C}." ({C} represents colorless mana.)

When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Whenever a creature you control dies, you draw a card and you lose 1 life.

When this creature enters, you draw a card and you lose 1 life.

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever another nontoken creature you control dies, draw a card.

Partner with Regna, the Redeemer (When this creature enters, target player may put Regna into their hand from their library, then shuffle.) {B}, Sacrifice X creatures: Target player draws X cards and gains X life. Put X +1/+1 counters on Krav.

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

This creature enters with two +1/+1 counters on it. {1}, Discard a card: Put a +1/+1 counter on this creature. Remove two +1/+1 counters from this creature: Draw a card.

Flying When this creature enters, draw a card.

{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.

Flying When this creature enters, you may return target creature card from your graveyard to your hand.

({T}: Add {B}.)

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

Flying Echo {2}{B} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, destroy target nonartifact, nonblack creature.

Flying Whenever this creature or another creature you control dies, each opponent sacrifices a creature of their choice.

Sacrifice this creature: Put a -1/-1 counter on target creature.