Flash

Flying

When Blizzard Strix enters, if you control another snow permanent, exile target permanent other than Blizzard Strix. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Sacrifice another Phyrexian: Put a +1/+1 counter on Bloated Processor.

When Bloated Processor dies, incubate X, where X is its power. (Create an Incubator token with X +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Flying

Bloatfly Swarm enters with five +1/+1 counters on it.

If damage would be dealt to Bloatfly Swarm while it has a +1/+1 counter on it, prevent that damage, remove that many +1/+1 counters from it, then give each player a rad counter for each +1/+1 counter removed this way.

, Sacrifice Blockbuster: It deals 3 damage to each tapped creature and each player.

: Attacking Spirits get +1/+0 until end of turn.

Whenever you sacrifice a permanent, put a +1/+1 counter on Blood Aspirant.

, , Sacrifice a creature or enchantment: Blood Aspirant deals 1 damage to target creature. That creature can't block this turn.

Lifelink, protection from white and from black

As long as you have 30 or more life and an opponent has 10 or less life, Blood Baron of Vizkopa gets +6/+6 and has flying.

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

At the beginning of each player's upkeep, that player returns a permanent they control to its owner's hand unless they pay 2 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.

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

Draw three cards.

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

Return a creature card from your graveyard to the battlefield, then return another creature card from your graveyard to your hand.

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

, , Sacrifice Blood Fountain: Return up to two target creature cards from your graveyard to your hand.

Noncreature spells you cast cost less to cast.

Whenever you cast a noncreature spell, counter that spell unless you sacrifice a creature.

, 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.

If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.

Destroy all creatures. For each nontoken creature destroyed this way, you create a tapped Treasure token.

Choose a card type. Target opponent reveals their hand. Blood Oath deals 3 damage to that player for each card of the chosen type revealed this way. (Artifact, battle, creature, enchantment, instant, kindred, land, planeswalker, and sorcery are card types.)

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

First strike (This creature deals combat damage before creatures without first strike.)

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.

Sacrifice Blood Pet: Add .

Spark (Activate spark abilities by spending or giving yourself spark counters. Activate only one spark ability per turn, and only as a sorcery.)

+1: CARDNAME gains lifelink until end of turn.

−3: Target opponent discards a card. You gain life equal to its converted mana cost.

Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life.

, Sacrifice a creature: Blood Rites deals 2 damage to any target.

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

When Blood Spatter Analysis enters, it deals 3 damage to target creature an opponent controls.

Whenever one or more creatures die, mill a card and put a bloodstain counter on Blood Spatter Analysis. Then sacrifice it if it has five or more bloodstain counters on it. When you do, return target creature card from your graveyard to your hand.

When Blood Sun enters, draw a card.

All lands lose all abilities except mana abilities.

Kicker—Tap an untapped Vampire you control. (You may tap a Vampire you control in addition to any other costs as you cast this spell.)

Target opponent loses half their life, rounded up. If this spell was kicked, you gain life equal to the life lost this way.

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.)

Whenever you gain life, put a +1/+1 counter on Bloodbond Vampire.

Cascade

Haste

Escape—, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Bloodbraid Marauder can't block.

Delirium — This spell has cascade as long as there are four or more card types among cards in your graveyard. (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.)

At the beginning of each end step, if an opponent lost 2 or more life this turn, you may put a quest counter on Bloodchief Ascension. (Damage causes loss of life.)

Whenever a card is put into an opponent's graveyard from anywhere, if Bloodchief Ascension has three or more quest counters on it, you may have that player lose 2 life. If you do, you gain 2 life.

, Sacrifice another Warrior creature: Target player loses X life and you gain X life, where X is the sacrificed creature's power.

Bloodcrazed Goblin can't attack unless an opponent has been dealt damage this turn.

Bloodcrazed Neonate attacks each combat if able.

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

Menace

When Bloodcrazed Socialite enters, create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Whenever Bloodcrazed Socialite attacks, you may sacrifice a Blood token. If you do, it gets +2/+2 until end of turn.

Flying

At the beginning of your upkeep, mill a card.

Threshold — As long as seven or more cards are in your graveyard, Bloodcurdler gets +1/+1 and has "At the beginning of your end step, exile two cards from your graveyard."

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.)

Bloodfell Caves enters tapped.

When Bloodfell Caves enters, you gain 1 life.

: Add or .

, Sacrifice Bloodfire Dwarf: It deals 1 damage to each creature without flying.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

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

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

Trample

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Flying

At the beginning of your upkeep, target player draws a card and loses 1 life.

Whenever Bloodhall Priest enters or attacks, if you have no cards in hand, Bloodhall Priest deals 2 damage to any target.

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.)

Flying

When Bloodhunter Bat enters, target player loses 2 life and you gain 2 life.