Flying

Whenever Beacon Hawk deals combat damage to a player, you may untap target creature.

: Beacon Hawk gets +0/+1 until end of turn.

Beacon of Destruction deals 5 damage to any target. Shuffle Beacon of Destruction into its owner's library.

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

Whenever Bearer of Overwhelming Truths deals combat damage to a player, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Target creature gets +3/-3 until end of turn.

Flying

Prince of Chaos — When Be'lakor, the Dark Master enters, you draw X cards and you lose X life, where X is the number of Demons you control.

Lord of Torment — Whenever another Demon you control enters, it deals damage equal to its power to any target.

During your turn, each non-Equipment artifact and non-Aura enchantment you control with mana value 4 or greater is a 4/4 Elemental creature in addition to its other types and has indestructible, haste, and "Whenever this creature deals combat damage to a player, draw a card."

Flying

Whenever Bellowing Fiend deals damage to a creature, Bellowing Fiend deals 3 damage to that creature's controller and 3 damage to you.

Flying

Whenever a source deals damage to Belltower Sphinx, that source's controller mills that many cards.

, : Prevent all combat damage that would be dealt by target blocked creature this turn.

Defender (This creature can't attack.)

: Prevent the next 1 damage that would be dealt to any target this turn.

Devoid (This card has no color.)

Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)

Benthic Infiltrator can't be blocked.

Scorching Ray — : Bhaal's Invoker deals 4 damage to each opponent.

When Bilbo, Retired Burglar enters or leaves the battlefield, the Ring tempts you.

Whenever Bilbo deals combat damage to a player, create a Treasure token.

Enchant creature

When Bind the Monster enters, tap enchanted creature. It deals damage to you equal to its power.

Enchanted creature doesn't untap during its controller's untap step.

Whenever Bioluminary deals combat damage to a player, you get , then you may put a sticker on a nonland permanent you own.

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Ninjutsu

Biting-Palm Ninja enters with a menace counter on it.

Whenever Biting-Palm Ninja deals combat damage to a player, you may remove a menace counter from it. When you do, that player reveals their hand and you choose a nonland card from it. Exile that card.

As Bitter Feud enters, choose two players.

If a source controlled by one of the chosen players would deal damage to the other chosen player or a permanent that player controls, that source deals double that damage to that player or permanent instead.

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

Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

As Black Vise enters, choose an opponent.

At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.

Spectacle (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

When Blade Juggler enters, it deals 1 damage to you and you draw a card.

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.

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

Blasphemous Act deals 13 damage to each creature.

Choose any target. Draw three cards, then discard a card. Blast of Genius deals damage equal to the discarded card's mana value to that permanent or player.

Blastfire Bolt deals 5 damage to target creature. Destroy all Equipment attached to that creature.

Blaze deals X damage to any target.

Blazethorn Scarecrow has haste as long as you control a red creature.

Blazethorn Scarecrow has wither as long as you control a green creature. (It deals damage to creatures in the form of -1/-1 counters.)

, Sacrifice another creature: Blazing Hellhound deals 1 damage to any target.

Flying, haste

Whenever Blazing Specter deals combat damage to a player, that player discards a card.

Equipped creature can't be blocked by Vampires or Zombies.

Equipped creature has ", Sacrifice Blazing Torch: Blazing Torch deals 2 damage to any target."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

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

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

: Regenerate Blight Mamba.

Protection from green (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything green.)

Creatures your opponents control can't have +1/+1 counters put on them.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Blighted Agent can't be blocked.

Blightning deals 3 damage to target player or planeswalker. That player or that planeswalker's controller discards two cards.

Flying

Whenever Blim, Comedic Genius deals combat damage to a player, that player gains control of target permanent you control. Then each player loses life and discards cards equal to the number of permanents they control but don't own.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever Blind Zealot deals combat damage to a player, you may sacrifice it. If you do, destroy target creature that player controls.

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

Whenever Blinding Angel deals combat damage to a player, that player skips their next combat phase.

Equipped creature has "Unattach Blinding Powder: Prevent all combat damage that would be dealt to this creature this turn."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

When Blisterstick Shaman enters, it deals 1 damage to any target.

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.

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.

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.

Target creature you control deals damage equal to its power to any target.

Fuse (You may cast one or both halves of this card from your hand.)

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

Target creature fights another target creature. (Each deals damage equal to its power to the other.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

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.)

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.