Blazing Volley deals 1 damage to each creature your opponents control.

When Blight-Breath Catoblepas enters the battlefield, 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.)

, : Blisterspit Gremlin deals 1 damage to each opponent.
Whenever you cast a noncreature spell, untap Blisterspit Gremlin.

Flash
When Blitz Leech enters the battlefield, target creature an opponent controls gets -2/-2 until end of turn. Remove all counters from that creature.

Blitz of the Thunder-Raptor deals damage to target creature or planeswalker equal to the number of instant and sorcery cards in your graveyard. If that creature or planeswalker would die this turn, exile it instead.

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.

Kicker (You may pay an additional as you cast this spell.)
Return target creature card from your graveyard to your hand. If this spell was kicked, instead return two target creature cards from your graveyard to your hand.

Destroy target creature. Put a menace counter on a creature you control. (It can't be blocked except by two or more creatures.)

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

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.

Kicker (You may pay an additional as you cast this spell.)
Destroy target creature or planeswalker with converted mana cost 2 or less. If this spell was kicked, instead destroy target creature or planeswalker.

Bloodfell Caves enters the battlefield tapped.
When Bloodfell Caves enters the battlefield, you gain 1 life.
: Add or .

Whenever you draw your second card each turn, Bloodhaze Wolverine gets +1/+1 and gains first strike until end of turn.

Blossoming Sands enters the battlefield tapped.
When Blossoming Sands enters the battlefield, you gain 1 life.
: Add or .

Up to three target creatures can't block this turn. Destroy any of them that are Walls.

Flying
, Sacrifice a Food: Target creature gets -3/-3 until end of turn.

Haste (This creature can attack and as soon as it comes under your control.)
Whenever Bolt Hound attacks, other creatures you control get +1/+0 until end of turn.

: Add .
, : Draw a card. Activate this ability only if you control a creature with power 4 or greater.

Menace (This creature can't be blocked except by two or more creatures.)
When Bone Pit Brute enters the battlefield, target creature gets +4/+0 until end of turn.

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