Whenever a creature an opponent controls enters, you may have that player lose 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.)

Whenever you gain life, each opponent loses 1 life.

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

Whenever this creature attacks, you draw a card and you lose 1 life.

{1}, {T}, Sacrifice another creature: You gain life equal to the sacrificed creature's toughness. Draw a card.

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

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.")

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

This land enters tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

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

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 {W}.)

This land enters tapped. {T}: Add {W}. Cycling {W} ({W}, Discard this card: Draw a card.)

({T}: Add {B}.)

Flying Whenever another creature you control enters, you gain 1 life.

Whenever this creature becomes tapped, each opponent loses 1 life and you gain 1 life.

Whenever this creature attacks, each opponent loses 1 life.

Whenever this creature attacks, each opponent loses 1 life and you gain 1 life.

Whenever another creature you control enters, you may gain 1 life. Whenever a creature an opponent controls enters, you may have that player lose 1 life.

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.

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

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

When this creature dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add {C}."

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.")

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose one or both — • Return target creature card from your graveyard to your hand. • Return target land card from your graveyard to your hand.

Return target creature card with mana value X or less from your graveyard to the battlefield.

{B}, Discard a creature card: Return target creature card from your graveyard to your hand.

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.)

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

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

Flash {1}, Sacrifice this creature: Destroy target artifact or enchantment.

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

Destroy target artifact or enchantment.

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

{T}, Sacrifice another creature or artifact: Each opponent loses 1 life and you gain 1 life.

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

{T}, Sacrifice an artifact or creature: Each opponent loses 1 life and you gain 1 life.

{1}, Sacrifice another creature: This creature explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

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

{T}, Sacrifice another creature: Each opponent loses 2 life and you gain 2 life.

Create three 1/1 white Vampire creature tokens with lifelink.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When this creature dies, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This token can't block."

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

When this creature dies, create a 1/1 white Spirit creature token with flying.

When this creature enters, create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."

Create two 1/1 white Human creature tokens. Fateful hour — If you have 5 or less life, create five of those tokens instead.

When this creature dies, create a 1/1 white Soldier creature token with lifelink.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When this creature enters, you may return another permanent you control to its owner's hand. If you do, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This token can't block."

When this creature dies, create a 1/1 black and green Insect creature token with flying.

When this creature dies, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

Create two 1/1 white Vampire creature tokens with lifelink.

Create three 1/1 white Soldier creature tokens.

Mill three cards, then you may return a creature card from your graveyard to your hand. (To mill three cards, put the top three cards of your library into your graveyard.)

Return target artifact or creature card from your graveyard to your hand. Create a 1/1 colorless Soldier artifact creature token.

Return target creature card from your graveyard to your hand. Draw a card.

Whenever another creature enters, you may gain 1 life.

Whenever this creature becomes tapped, you may create a 1/1 blue Merfolk Wizard creature token.

Create two 1/1 white Soldier creature tokens with lifelink.

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

When this creature enters, sacrifice a creature.

Exile target creature you control, then return that card to the battlefield under its owner's control. Draw a card.

{2}{B}, Sacrifice another creature: Draw a card. If the sacrificed creature was suspected, draw two cards instead.

Exile target card from a graveyard. Create a 1/1 white and black Spirit creature token with flying.

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

Sacrifice a creature: Put a +1/+1 counter on this creature.

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

Sacrifice another creature: This creature gains protection from the color of your choice until end of turn.

{1}, {T}, Sacrifice another creature: Draw a card, then create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Enchant creature you control Enchanted creature gets +3/+3. At the beginning of your upkeep, sacrifice a creature.

As an additional cost to cast this spell, sacrifice a creature or enchantment. Exile target creature.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment. {B}: This enchantment deals 1 damage to each creature and each player.

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.

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

Target creature gets -1/-1 until end of turn. Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.