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 the battlefield 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.

: 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.

, Pay 1 life: Add one mana of any color.

When Blood Fountain enters the battlefield, 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.

Until end of turn, if damage would be dealt to any creature, you may have that damage dealt to you instead.

Target player draws two cards and loses 2 life.

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.

When Blood Spatter Analysis enters the battlefield, 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.

Flying, trample

At the beginning of your upkeep, each player loses 1 life. Put a +1/+1 counter on Blood Tyrant for each 1 life lost this way.

Whenever a player loses the game, put five +1/+1 counters on Blood Tyrant.

Flying

At the beginning of combat on your turn, up to one target Blood token you control becomes a 2/2 black Bat creature with flying and haste in addition to its other types.

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

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.

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 the battlefield with a +1/+1 counter on it for each creature that died this turn.

Target creature gets +X/+0 until end of turn.

Bloodfell Caves enters the battlefield tapped.

When Bloodfell Caves enters the battlefield, you gain 1 life.

: Add or .

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

Trample

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

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 the battlefield, target opponent discards a card for each time it was kicked.

Lifelink

When Bloodline Necromancer enters the battlefield, you may return target Vampire or Wizard creature card from your graveyard to the battlefield.

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

Flying

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

Red creatures you control have first strike.

Sacrifice Bloodpyre Elemental: It deals 4 damage to target creature. Activate only as a sorcery.

When Bloodrage Brawler enters the battlefield, discard a card.

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

, Pay 2 life, Discard a card, Sacrifice a creature: Create a 5/5 black Demon creature token with flying. Activate only as a sorcery.

At the beginning of your end step, if you gained life this turn, create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

: Each opponent loses 2 life and you gain 2 life.

, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

Flying

Commander creatures you control get +2/+2 and have haste.

Haste

When Bloodthirsty Adversary enters the battlefield, you may pay any number of times. When you pay this cost one or more times, put that many +1/+1 counters on Bloodthirsty Adversary, then exile up to that many target instant and/or sorcery cards with mana value 3 or less from your graveyard and copy them. You may cast any number of the copies without paying their mana costs.

Equipped creature gets +2/+0 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

: Attach Bloodthirsty Blade to target creature an opponent controls. Activate only as a sorcery.

Haste

: Target creature with power 5 or greater gains haste until end of turn.

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

, Sacrifice Bloodtithe Harvester: Target creature gets -X/-X until end of turn, where X is twice the number of Blood tokens you control. Activate only as a sorcery.

Flying

, Pay 2 life: Put a +1/+1 counter on Bloodtracker.

When Bloodtracker leaves the battlefield, draw a card for each +1/+1 counter on it.

Flying

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

When Bloodwater Entity enters the battlefield, you may put target instant or sorcery card from your graveyard on top of your library.

Blooming Marsh enters the battlefield tapped unless you control two or fewer other lands.

: Add or .

Trample

, : You get (a ticket counter).

Reach

When Blossom Prancer enters the battlefield, look at the top five cards of your library. You may reveal a creature or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. If you didn't put a card into your hand this way, you gain 4 life.

Whenever Blossoming Bogbeast attacks, you gain 2 life. Then creatures you control gain trample and get +X/+X until end of turn, where X is the amount of life you gained this turn.

Blossoming Sands enters the battlefield tapped.

When Blossoming Sands enters the battlefield, you gain 1 life.

: Add or .

Blow Off Steam deals 1 damage to any target. (Then exile this card. You may cast the creature later from exile.)

Each noncreature, non-Equipment artifact is an Equipment with equip and "Equipped creature gets +X/+0," where X is that artifact's mana value.

Choose one —

• Counter target red spell.

• Destroy target red permanent.