At the beginning of your upkeep, sacrifice Breeding Pit unless you pay .

At the beginning of your end step, create a 0/1 black Thrull creature token.

Flying

Whenever a player attacks one of your opponents, if that opponent has more life than another of your opponents, that attacking player draws a card and you put two +1/+1 counters on a creature you control.

Bretagard Stronghold enters the battlefield tapped.

: Add .

, , Sacrifice Bretagard Stronghold: Put a +1/+1 counter on each of up to two target creatures you control. They gain vigilance and lifelink until end of turn. Activate only as a sorcery.

Whenever a creature attacks you, it gets -1/-0 until end of turn.

Flying

Briarberry Cohort gets +1/+1 as long as you control another blue creature.

Whenever Briarbridge Patrol deals damage to one or more creatures, investigate. (Create a colorless Clue artifact token 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.

Whenever you cast a Spirit or Arcane spell, put a +1/+1 counter on target creature.

Briber's Purse enters the battlefield with X gem counters on it.

, , Remove a gem counter from Briber's Purse: Target creature can't attack or block this turn.

Whenever a nontoken creature is put into your graveyard from the battlefield, if Bridge from Below is in your graveyard, create a 2/2 black Zombie creature token.

When a creature is put into an opponent's graveyard from the battlefield, if Bridge from Below is in your graveyard, exile Bridge from Below.

: Add .

Elemental spells and Warrior spells you cast cost less to cast.

Reinforce 1— (, Discard this card: Put a +1/+1 counter on target creature.)

When Brightmare enters the battlefield, tap up to one target creature. You gain life equal to that creature's power.

, : Look at the top four cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Enchant creature

Enchanted creature gets +1/+2.

When Brilliant Halo is put into a graveyard from the battlefield, return Brilliant Halo to its owner's hand.

Converge — Draw X cards, where X is the number of colors of mana spent to cast this spell. Then discard two cards.

Vigilance

Whenever Brimaz, King of Oreskos attacks, create a 1/1 white Cat Soldier creature token with vigilance that's attacking.

Whenever Brimaz blocks a creature, create a 1/1 white Cat Soldier creature token with vigilance that's blocking that creature.

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.

Brimstone Volley deals 3 damage to any target.

Morbid — Brimstone Volley deals 5 damage instead if a creature died this turn.

When Brindle Shoat dies, create a 3/3 green Boar creature token.

This spell costs less to cast for each enchantment you control.

, : Reveal any number of blue cards in your hand. Counter target spell unless its controller pays for each card revealed this way.

Flash

When Brinebarrow Intruder enters the battlefield, target creature an opponent controls gets -2/-0 until end of turn.

When Brinelin, the Moon Kraken enters the battlefield or whenever you cast a spell with mana value 6 or greater, you may return target nonland permanent to its owner's hand.

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

Assist (Another player can pay up to of this spell's cost.)

Destroy target creature with power 4 or greater.

Target noncreature artifact you control becomes a 0/0 artifact creature. Put four +1/+1 counters on it.

Exile target creature with power 4 or greater.

You may pay rather than pay this spell's mana cost.

Trample

At the beginning of your upkeep, you may draw two cards.

You may pay rather than pay this spell's mana cost.

Trample

At the beginning of your upkeep, you may untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.

Enchant creature or land

When enchanted permanent becomes tapped, destroy it.

Lifelink

, , Sacrifice another creature: Brion Stoutarm deals damage equal to the sacrificed creature's power to target player or planeswalker.

Bristling Boar can't be blocked by more than one creature.

, , Exile Brittle Effigy: Exile target creature.

Destroy target artifact or enchantment. You may put a land card from your hand onto the battlefield.

Tap one or two target creatures without horsemanship.

Destroy target nonartifact attacking creature. It can't be regenerated. Create a black Spirit creature token. Its power is equal to that creature's power and its toughness is equal to that creature's toughness. Sacrifice the token at the beginning of the next end step.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Trample

You may cast Brokkos, Apex of Forever from your graveyard using its mutate ability.

When a player other than Bronze Bombshell's owner controls it, that player sacrifices it. If the player does, Bronze Bombshell deals 7 damage to the player.

Double strike

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Other artifacts you control have ward .

Bronze Guardian's power is equal to the number of artifacts you control.

Remove Bronze Tablet from your deck before playing if you're not playing for ante.

Bronze Tablet enters the battlefield tapped.

, : Exile Bronze Tablet and target nontoken permanent an opponent owns. That player may pay 10 life. If they do, put Bronze Tablet into its owner's graveyard. Otherwise, that player owns Bronze Tablet and you own the other exiled card.

: Bronzehide Lion gains indestructible until end of turn.

When Bronzehide Lion dies, return it to the battlefield. It's an Aura enchantment with enchant creature you control and ": Enchanted creature gains indestructible until end of turn," and it loses all other abilities.

Devoid (This card has no color.)

When Brood Butcher enters the battlefield, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."

, Sacrifice a creature: Target creature gets -2/-2 until end of turn.

Devoid (This card has no color.)

When Brood Monitor enters the battlefield, create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add ."

Whenever a Sliver deals combat damage to a player, its controller may create a 1/1 colorless Sliver creature token.

Whenever Broodhatch Nantuko is dealt damage, you may create that many 1/1 green Insect creature tokens.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

At the beginning of each end step, each player gains control of all nontoken permanents they own.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Flying

Broodstar's power and toughness are each equal to the number of artifacts you control.

: Brothers of Fire deals 1 damage to any target and 1 damage to you.

Choose up to two target permanent cards in your graveyard that were put there from the battlefield this turn. Return them to the battlefield tapped.

, : Counter target activated ability from an artifact source. (Mana abilities can't be targeted.)