Offspring {B} (You may pay an additional {B} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Flying 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.

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.")

At the beginning of your end step, if you gained life this turn, each opponent loses 1 life. At the beginning of your end step, if you gained and lost life this turn, create a 1/1 black Bat creature token with flying. {1}{B}, Pay 2 life: Draw a card.

You draw two cards and you lose 2 life.

Target player draws two cards and loses 2 life.

Flying At the beginning of your end step, if you gained or lost life this turn, look at the top four cards of your library. You may reveal a creature card with power 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

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.)

As an additional cost to cast this spell, sacrifice a creature that dealt damage this turn. Draw three cards. Each opponent loses 3 life and you gain 3 life.

Prevent all combat damage that would be dealt this turn if {W} was spent to cast this spell. Each player loses 1 life for each attacking creature they control if {B} was spent to cast this spell. (Do both if {W}{B} was spent.)

As this enchantment enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {1}, Sacrifice a creature of the chosen type: Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

When this enchantment enters, create a 1/1 black Bat creature token with flying for each mana from a Cave spent to cast it. Whenever a Cave you control enters, put a +1/+1 counter on target creature you control.

When this creature enters, if an opponent lost life this turn, create a 1/1 black Bat creature token with flying.

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

Flying Whenever a creature an opponent controls dies, you create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.") Whenever you sacrifice an artifact, put a +1/+1 counter on this creature and you gain 1 life.

Flying At the beginning of each end step, if you gained life this turn, create a 1/1 black Bat creature token with flying.

Flying {7}{B}, {T}, Sacrifice this creature: Target opponent loses 4 life and you gain 4 life.

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

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.

This artifact enters tapped. {T}: Add {B}.

This artifact enters tapped. {T}: Add {W}.

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

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {T}: Add one mana of any color.

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

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.) Flying

Flying {B}, Pay 1 life: This creature gets +1/+1 until end of turn.

Flying Pay 4 life: Regenerate this creature.

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

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

{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}.

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

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

{T}: Add {C}. {T}: Add {B}. Spend this mana only to cast a creature spell. {1}{B}, {T}, Sacrifice this land: Return target Bat, Lizard, Rat, or Squirrel card from your graveyard to your hand.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{B}.

({T}: Add {W}.)

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

({T}: Add {W} or {B}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

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

As this land enters, you may reveal a Plains or Swamp card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {B}.

({T}: Add {B}.)

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

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}.

Flying When this creature enters, if you gained life this turn, return up to one target creature card from your graveyard to your hand.

Flying 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.)

As long as you've lost life this turn, this creature has flying and vigilance. Whenever you gain life, put a +1/+1 counter on this creature. When this creature dies, put its counters on target creature you control.

Kicker {3}{B} (You may pay an additional {3}{B} as you cast this spell.) Flying, lifelink If this creature was kicked, it enters with two +1/+1 counters on it.

If this card is in your opening hand, you may begin the game with it on the battlefield. If you would gain life, you gain that much life plus 1 instead. As long as you have at least 7 life more than your starting life total, creatures you control get +2/+2.

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

Flying, deathtouch Whenever you gain life, this creature gets +1/+1 until end of turn.

Flying Whenever this creature attacks, you gain 1 life.

Exile target nonland permanent. You lose 3 life.

Destroy target creature. A creature destroyed this way can't be regenerated. Overload {2}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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.

Exile target permanent with mana value 4 or greater.

Destroy target artifact, enchantment, or planeswalker.

Destroy target creature or enchantment.

Choose up to five {P} worth of modes. You may choose the same mode more than once. {P} — Each player sacrifices a creature of their choice. {P}{P} — Draw a card for each creature that died under your control this turn. {P}{P}{P} — Each opponent loses X life, where X is the number of creature cards in your graveyard.

Sonar Strike deals 4 damage to target attacking, blocking, or tapped creature. You gain 3 life if you control a Bat.

Exile target nonland permanent.

Destroy target permanent.

Flying Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, target player loses 2 life and you gain 2 life.

Flying When this creature enters, target player loses 2 life and you gain 2 life.

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

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