Flying

Whenever Bladegriff Prototype deals combat damage to a player, destroy target nonland permanent of that player's choice that one of your opponents controls.

When Blanchwood Prowler enters, mill three cards. You may put a land card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on Blanchwood Prowler. (To mill a card, put the top card of your library into your graveyard.)

This spell costs less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Madness , cycling , kicker , flashback , buyback

Blast from the Past deals 2 damage to any target. If this spell was kicked, create a 1/1 red Goblin creature token.

Exile target creature with power greater than or equal to your life total.

Metalcraft — When Bleak Coven Vampires enters, if you control three or more artifacts, target player loses 4 life and you gain 4 life.

Target player shuffles their graveyard into their library. Prevent all combat damage that would be dealt this turn.

Enchant creature

Enchanted creature gets +1/+1 for each of its colors.

Flying

, , Sacrifice Blight Keeper: Target opponent loses 4 life and you gain 4 life.

When Blight-Breath Catoblepas enters, target creature an opponent controls gets -X/-X until end of turn, where X is your devotion to black. (Each in the mana costs of permanents you control counts toward your devotion to black.)

: Transform Blightreaper Thallid. Activate only as a sorcery. ( can be paid with either or 2 life.)

: Add .

Creatures your opponents control get -4/-0 until end of turn.

Draw a card.

: Return Blinking Spirit to its owner's hand.

, : Blisterspit Gremlin deals 1 damage to each opponent.

Whenever you cast a noncreature spell, untap Blisterspit Gremlin.

Living metal (During your turn, this Vehicle is also a creature.)

At the beginning of combat on your turn, choose flying or indestructible at random. Blitzwing gains that ability until end of turn.

Whenever Blitzwing deals combat damage to a player, convert it.

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.)

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.

Blood Hypnotist can't block.

Whenever you sacrifice one or more Blood tokens, target creature can't block this turn. This ability triggers only once each turn.

Target player draws two cards and loses 2 life.

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.")

Look at the top four cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order. You lose 2 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.

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.

Flying

Bloodfeather Phoenix can't block.

Whenever an instant or sorcery spell you control deals damage to an opponent or battle, you may pay . If you do, return Bloodfeather Phoenix from your graveyard to the battlefield. It gains haste until end of turn.

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.)

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.

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

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

Toxic 2 (Players dealt combat damage by this creature also get two poison counters. A player with ten or more poison counters loses the game.)

When Bloodroot Apothecary enters, you and target opponent each create a Treasure token.

Whenever an opponent sacrifices a noncreature token, that player gets two poison counters.

, Sacrifice a creature: Bloodshot Cyclops deals damage equal to the sacrificed creature's power to any target.

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.

Flying

When Blood-Toll Harpy enters, each player loses 1 life.

Reach

When Blossom Prancer enters, 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.

When Blurry Visionary enters the battlefield, look at the top two cards of your library and put them back-to-back in the same sleeve with either card in front. They become a modal double-faced card for the rest of the game. Then put that card into your hand. (You can play either face of that double-faced card. Make sure to reset it when the game ends.)

When Boareskyr Tollkeeper enters the battlefield, target opponent reveals all creature and land cards in their hand. Choose one of them. That card perpetually gains "This permanent enters the battlefield tapped."

Flying (This creature can't be blocked except by creatures with flying or reach.)

Flying

When Bogardan Phoenix dies, exile it if it had a death counter on it. Otherwise, return it to the battlefield under your control and put a death counter on it.

: Bold Impaler gets +2/+0 until end of turn.

Double <s>breaker</s> strike

While attacking, this creature gets +1<s>000</s> power for each <s>fire</s> red card in your graveyard.

Until end of turn, cards you own that aren't on the battlefield lose all card types, costs, names, and abilities and become red sorceries named Missile that cost with "Missile deals 2 damage to any target."

Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn.

This spell costs less to cast if a creature died this turn.

Flying, deathtouch

When CARDNAME is put into your graveyard from anywhere, exile it. When you do, create four Reassembling Skeleton token cards and put them into your graveyard.

Whenever Bonecrusher Giant becomes the target of a spell, Bonecrusher Giant deals 2 damage to that spell's controller.

Equipped creature gets +2/+0.

Equip

Exile up to five target creature cards from graveyards. An opponent separates those cards into two piles. Put all cards from the pile of your choice onto the battlefield under your control and the rest into their owners' graveyards.

As Booby Trap enters, choose an opponent and a card name other than a basic land card name.

The chosen player reveals each card they draw.

When the chosen player draws a card with the chosen name, sacrifice Booby Trap. If you do, Booby Trap deals 10 damage to that player.