Bloodcrazed Neonate attacks each combat if able.

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

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.

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

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

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.)

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.

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

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.

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.

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

Put a -1/-1 counter on target creature. Blur of Blades deals 2 damage to that creature's controller.

Creatures attacking you get -1/-0.

At the beginning of each end step, if you were dealt 4 or more damage this turn, exile Boarded Window.

When Bogardan Firefiend dies, it deals 2 damage to target creature.

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

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Haste

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Boiling Earth deals 1 damage to each creature your opponents control.

Awaken 4— (If you cast this spell for , also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Bolt of Keranos deals 3 damage to any target. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Bombard deals 4 damage to target creature.

Battalion — Whenever Bomber Corps and at least two other creatures attack, Bomber Corps deals 1 damage to any target.

, : The next time a source of your choice would deal damage to you this turn, prevent that damage. Exile cards from the top of your library equal to the damage prevented this way.

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

Whenever a permanent is turned face up, Bonethorn Valesk deals 1 damage to any target.

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.

Trample

Whenever Book Devourer deals combat damage to a player, you may discard all the cards in your hand. If you do, draw that many cards.

Put a shield counter on target creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Scry 1.

Whenever Borborygmos and Fblthp enters or attacks, draw a card, then you may discard any number of land cards. When you discard one or more cards this way, Borborygmos and Fblthp deals twice that much damage to target creature.

: Put Borborygmos and Fblthp into its owner's library third from the top.

Choose one —

• Boros Charm deals 4 damage to target player or planeswalker.

• Permanents you control gain indestructible until end of turn.

• Target creature gains double strike until end of turn.

: Add or .

: Boros Keyrune becomes a 1/1 red and white Soldier artifact creature with double strike until end of turn. (It deals both first-strike and regular combat damage.)

Whenever Boros Reckoner is dealt damage, it deals that much damage to any target.

: Boros Reckoner gains first strike until end of turn.

Trample

, Sacrifice an artifact: Bosh, Iron Golem deals damage equal to the sacrificed artifact's mana value to any target.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Bottle-Cap Blast deals 5 damage to any target. If excess damage was dealt to a permanent this way, create that many tapped Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

Boulderfall deals 5 damage divided as you choose among any number of targets.

Attacking creatures you control have deathtouch.

, : Choose one —

• Put a +1/+1 counter on target creature.

• Bow of Nylea deals 2 damage to target creature with flying.

• You gain 3 life.

• Put up to four target cards from your graveyard on the bottom of your library in any order.

Flying

Whenever Brago, King Eternal deals combat damage to a player, exile any number of target nonland permanents you control, then return those cards to the battlefield under their owner's control.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Choose one or both —

• Branching Bolt deals 3 damage to target creature with flying.

• Branching Bolt deals 3 damage to target creature without flying.

Until end of turn, all creatures gain ": This creature deals damage equal to its power to target creature."

Whenever an attacking creature you control dies, Brazen Cannonade deals 2 damage to each opponent.

Raid — At the beginning of your second main phase, if you attacked this turn, exile the top card of your library. Until end of combat on your next turn, you may play that card.

Target creature an opponent controls deals damage equal to its power to another target creature that player controls. The Ring tempts you.

Kicker (You may pay an additional as you cast this spell.)

Breath of Darigaaz deals 1 damage to each creature without flying and each player. If this spell was kicked, it deals 4 damage to each creature without flying and each player instead.

Enchant creature you control

When enchanted creature deals combat damage to a player, sacrifice it and attach Breath of Fury to a creature you control. If you do, untap all creatures you control and after this phase, there is an additional combat phase.

Breath Weapon deals 2 damage to each non-Dragon creature.

Menace

Whenever one or more Pirates you control deal damage to your opponents, exile the top card of each of those opponents' libraries. You may play those cards this turn, and you may spend mana as though it were mana of any color to cast those spells.

Partner (You can have two commanders if both have partner.)

When Breya, Etherium Shaper enters, create two 1/1 blue Thopter artifact creature tokens with flying.

, Sacrifice two artifacts: Choose one —

• Breya deals 3 damage to target player or planeswalker.

• Target creature gets -4/-4 until end of turn.

• You gain 5 life.

Whenever Briarbridge Patrol deals damage to one or more creatures, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

At the beginning of each end step, if you sacrificed three or more Clues this turn, you may put a creature card from your hand onto the battlefield.

Radiance — Brightflame deals X damage to target creature and each other creature that shares a color with it. You gain life equal to the damage dealt this way.

Level up (: Put a level counter on this. Level up only as a sorcery.)

LEVEL 1-2

2/3

: Brimstone Mage deals 1 damage to any target.

LEVEL 3+

2/4

: Brimstone Mage deals 3 damage to any target.

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

If it's neither day nor night, it becomes day as Brimstone Vandal enters.

Whenever day becomes night or night becomes day, Brimstone Vandal deals 1 damage to each opponent.

When Brine Hag dies, change the base power and toughness of all creatures that dealt damage to it this turn to 0/2. (This effect lasts indefinitely.)