Flying

Whenever Blizzard Specter deals combat damage to a player, choose one —

• That player returns a permanent they control to its owner's hand.

• That player discards a card.

Trample

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Whenever Bloated Contaminator deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Protection from blue

Cycling (, Discard this card: Draw a card.)

: Blockade Runner can't be blocked this turn.

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

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

During your turn, Blood Burglar has lifelink.(Damage dealt by this creature also causes you to gain that much life.)

: Blood Cultist deals 1 damage to target creature.

Whenever a creature dealt damage by Blood Cultist this turn dies, put a +1/+1 counter on Blood Cultist.

, Sacrifice another creature: Put a +1/+1 counter on Blood Host and you gain 2 life.

Whenever you commit a crime, put a +1/+1 counter on Blood Hustler. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

: Target opponent loses 1 life and you gain 1 life.

First strike, protection from white

Lifelink

When Blood Operative enters, you may exile target card from a graveyard.

Whenever you surveil, if Blood Operative is in your graveyard, you may pay 3 life. If you do, return Blood Operative to your hand.

Blood Petal Celebrant has first strike as long as it's attacking. (It deals combat damage before creatures without first strike.)

When Blood Petal Celebrant dies, create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Menace (This creature can't be blocked except by two or more creatures.)

Whenever you gain life, put a +1/+1 counter on Blood Researcher.

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

At the beginning of your upkeep, you may sacrifice Blood Speaker. If you do, search your library for a Demon card, reveal that card, put it into your hand, then shuffle.

Whenever a Demon enters under your control, return Blood Speaker from your graveyard to your hand.

Sacrifice Blood Vassal: Add .

When Bloodboil Sorcerer enters, you take the initiative.

Crown of Madness — , Sacrifice an artifact or creature: Goad target creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Assist (Another player can pay up to of this spell's cost.)

When Bloodborn Scoundrels enters, target opponent loses 2 life and you gain 2 life.

Haste (This creature can attack and as soon as it comes under your control.)

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Whenever you sacrifice another permanent, put a +1/+1 counter on Bloodbriar.

Whenever Blood-Chin Rager attacks, Warrior creatures you control gain menace until end of turn. (They can't be blocked except by two or more creatures.)

Heroic — Whenever you cast a spell that targets Bloodcrazed Hoplite, put a +1/+1 counter on it.

Whenever a +1/+1 counter is put on Bloodcrazed Hoplite, remove a +1/+1 counter from target creature an opponent controls.

Flash

Bloodcrazed Paladin enters with a +1/+1 counter on it for each creature that died this turn.

Trample

Devastating Charge — Other creatures you control have trample.

As long as you control an enchantment, Blood-Cursed Knight gets +1/+1 and has lifelink. (Damage dealt by this creature also causes you to gain that much life.)

, Sacrifice Bloodfire Colossus: It deals 6 damage to each creature and each player.

Bloodfire Enforcers has first strike and trample as long as an instant card and a sorcery card are in your graveyard.

, Sacrifice Bloodfire Kavu: It deals 2 damage to each creature.

Sacrifice a creature: Put a +1/+1 counter on Bloodflow Connoisseur.

Bloodghast can't block.

Bloodghast has haste as long as an opponent has 10 or less life.

Landfall — Whenever a land you control enters, you may return Bloodghast from your graveyard to the battlefield.

At the beginning of your upkeep, if you control a black permanent, you may put a +1/+1 counter on Bloodhall Ooze.

At the beginning of your upkeep, if you control a green permanent, you may put a +1/+1 counter on Bloodhall Ooze.

Whenever you draw your second card each turn, Bloodhaze Wolverine gets +1/+1 and gains first strike until end of turn.

Multikicker (You may pay an additional any number of times as you cast this spell.)

When Bloodhusk Ritualist enters, target opponent discards a card for each time it was kicked.

When the names of three or more nonland permanents begin with the same letter, sacrifice Bloodletter. If you do, it deals 2 damage to each creature and each player.

Flying

: Create a 2/2 black Vampire creature token with flying.

: Transform Bloodline Keeper. Activate only if you control five or more Vampires.

Changeling (This card is every creature type.)

As Bloodline Pretender enters, choose a creature type.

Whenever another creature you control of the chosen type enters, put a +1/+1 counter on Bloodline Pretender.

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.)

Flying

Whenever you cast a Vampire creature spell, it gains bloodthirst 3.

Whenever Bloodmad Vampire deals combat damage to a player, put a +1/+1 counter on it.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Whenever Bloodmist Infiltrator attacks, you may sacrifice another creature. If you do, Bloodmist Infiltrator can't be blocked this turn.

When Bloodrage Alpha enters the battlefield, choose one —

• Another target Wolf or Werewolf you control fights target creature you don't control.

• When you cast your next Wolf or Werewolf spell, it gains "When this creature enters the battlefield, it fights up to one target creature you don't control."

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

Bloodrock Cyclops attacks each combat if able.

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

: Bloodshot Trainee deals 4 damage to target creature. Activate only if Bloodshot Trainee's power is 4 or greater.

Bloodsoaked Champion can't block.

Raid — : Return Bloodsoaked Champion from your graveyard to the battlefield. Activate only if you attacked this turn.

Devour 1 (As this enters, you may sacrifice any number of creatures. This creature enters with that many +1/+1 counters on it.)

Each other creature you control enters with an additional X +1/+1 counters on it, where X is the number of +1/+1 counters on Bloodspore Thrinax.

Whenever you cast a spell, if that spell was kicked, Bloodstone Goblin gets +1/+1 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

, Discard a card: Bloodsworn Squire gains indestructible until end of turn. Tap it. Then if there are four or more creature cards in your graveyard, transform Bloodsworn Squire. (Damage and effects that say "destroy" don't destroy it.)

Flying, trample

Whenever Bloodthirster deals combat damage to a player, untap it. After this phase, there is an additional combat phase.

Bloodthirster can't attack a player it has already attacked this turn.