Bretagard Stronghold enters 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.

When Breya's Apprentice enters, create a 1/1 colorless Thopter artifact creature token with flying.

, Sacrifice an artifact: Choose one —

• Exile the top card of your library. Until the end of your next turn, you may play that card.

• Target creature gets +2/+0 until end of turn.

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

Whenever Briarblade Adept attacks, target creature an opponent controls gets -1/-1 until end of turn.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Vigilance (Attacking doesn't cause this creature to tap.)

When Briarbridge Tracker enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

As long as you control a token, Briarbridge Tracker gets +2/+0.

Trample

When Bribe Taker enters, for each kind of counter on permanents you control, you may put your choice of a +1/+1 counter or a counter of that kind on Bribe Taker.

Destroy target attacking creature.

Draw a card.

Each Fungus and Saproling you control has ": Add ."

At the beginning of your end step, create a 1/1 green Saproling creature token.

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.

: Brightling gains vigilance until end of turn.

: Brightling gains lifelink until end of turn.

: Return Brightling to its owner's hand.

: Brightling gets +1/-1 or -1/+1 until end of turn.

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Whenever this creature attacks, double the number of +1/+1 counters on target creature. That creature can't be blocked by creatures with power 2 or less this turn.

, : 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.

Return all artifact and enchantment cards from your graveyard to the battlefield.

Exile the top five cards of your library. An opponent separates those cards into two piles. You may play lands and cast spells from one of those piles. If you cast a spell this way, you cast it without paying its mana cost.

Flying, haste

Whenever you cast your second spell each turn, create a 1/1 red Mercenary creature token with ": Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

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

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

Flash (You may cast this spell any time you could cast an instant.)

Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on this creature.

When Brinelin, the Moon Kraken enters and 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.)

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.

Flying

When Bringer of the Last Gift enters, if you cast it, each player sacrifices all other creatures they control. Then each player returns all creature cards from their graveyard that weren't put there this way to the battlefield.

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

Trample

At the beginning of your upkeep, you may return target artifact card from your graveyard to the battlefield.

Lifelink

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

Trample

When Bristlebud Farmer enters, create two Food tokens. (They're artifacts with ", , Sacrifice this artifact: You gain 3 life.")

Whenever Bristlebud Farmer attacks, you may sacrifice a Food. If you do, mill three cards. You may put a permanent card from among them into your hand.

Bristling Backwoods enters tapped.

When Bristling Backwoods enters, it deals 1 damage to target opponent.

: Add or .

When Bristling Hydra enters, you get (three energy counters).

Pay : Put a +1/+1 counter on Bristling Hydra. It gains hexproof until end of turn.

Creatures and planeswalkers your opponents control perpetually gain "If this permanent would die, exile it instead." Brittle Blast deals 5 damage to target creature or planeswalker.

Counter target spell unless its controller pays . Clash with an opponent. If you win, that spell's controller mills four cards. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

When Brokers Hideout enters, sacrifice it. When you do, search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

When Brokers Veteran dies, put a shield counter on target creature you control. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

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

Bronze Tablet enters 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.

If you control an Eldrazi Spawn, create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add ." Otherwise, create one of those tokens.

Devoid (This card has no color.)

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

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.)

Flying

When Broodmate Dragon enters, create a 4/4 red Dragon creature token with flying.

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.

: Add .

: Add one mana of any color. Spend this mana only to cast an Assassin spell or a spell that has freerunning, or to activate an ability of an Assassin source.

When Brotherhood Patriarch dies, each opponent loses 2 life and you gain 2 life.

Metalcraft — : You get (an energy counter). Activate only if you control three or more artifacts.

Whenever you get one or more during your turn, creatures you control get +1/+1 until end of turn.

Flying

Brotherhood Vertibird's power is equal to the number of artifacts you control.

Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

: 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.

Creature tokens you control have haste.

At the beginning of combat on your turn, create a 2/1 blue Phyrexian Myr artifact creature token. Then you may choose a token you control. If you do, each other token you control becomes a copy of that token.

Flying, vigilance

Whenever Bruna, Light of Alabaster attacks or blocks, you may attach to it any number of Auras on the battlefield and you may put onto the battlefield attached to it any number of Aura cards that could enchant it from your graveyard and/or hand.

Whenever Bruse Tarl, Boorish Herder enters or attacks, target creature you control gains double strike and lifelink until end of turn.

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