Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Whenever Broodbirth Viper deals combat damage to a player, you may draw a card.

Flying

When Broodmate Tyrant enters the battlefield, create a 5/5 red Dragon creature token with flying.

Encore

When Brotherhood Outcast enters the battlefield, choose one —

• Return target Aura or Equipment card with mana value 3 or less from your graveyard to the battlefield.

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

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 the battlefield 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.)

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Target opponent loses 2 life. You gain 2 life.

Vigilance

When this creature enters the battlefield or transforms into Brutal Cathar, exile target creature an opponent controls until this creature leaves the battlefield.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Devoid (This card has no color.)

Choose one or both —

• Return target spell or creature to its owner's hand.

• Brutal Expulsion deals 2 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

When Brutal Nightstalker enters the battlefield, you may have target opponent discard a card.

When Brutalizer Exarch enters the battlefield, choose one —

• Search your library for a creature card, reveal it, then shuffle and put that card on top.

• Put target noncreature permanent on the bottom of its owner's library.

Target creature gets +3/+1 and gains trample until end of turn.

If an opponent would mill one or more cards, they mill twice that many cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

Put target instant or sorcery card from your graveyard on top of your library. (Then exile this card. You may cast the creature later from exile.)

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Budoka Pupil.

At the beginning of the end step, if there are two or more ki counters on Budoka Pupil, you may flip it.

Target attacking creature gets +3/+3 until end of turn. If it's an artifact creature, it gains trample until end of turn.

When Bull Elephant enters the battlefield, sacrifice it unless you return two Forests you control to their owner's hand.

When Bulwark Giant enters the battlefield, you gain 5 life.

Burakos, Party Leader is also a Cleric, Rogue, Warrior, and Wizard.

Whenever Burakos attacks, defending player loses X life and you create X Treasure tokens, where X is the number of creatures in your party.

Choose a Background (You can have a Background as a second commander.)

When Burdened Aerialist enters the battlefield, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Whenever you sacrifice a token, Burdened Aerialist gains flying until end of turn.

Enchant land

When Buried in the Garden enters the battlefield, exile target nonland permanent you don't control until Buried in the Garden leaves the battlefield.

Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

, Sacrifice Buried Treasure: Add one mana of any color.

, Exile Buried Treasure from your graveyard: Discover 5. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 5 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Burn deals 2 damage to any target.

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

Creatures you control get +2/+0 until end of turn.

Burn from Within deals X damage to any target. If a creature is dealt damage this way, it loses indestructible until end of turn. If that creature would die this turn, exile it instead.

Burn the Impure deals 3 damage to target creature. If that creature has infect, Burn the Impure deals 3 damage to that creature's controller.

Burn Trail deals 3 damage to any target.

Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

: Burning Palm Efreet deals 2 damage to target creature with flying and that creature loses flying until end of turn.

When Burning Sun's Avatar enters the battlefield, it deals 3 damage to target opponent or planeswalker and 3 damage to up to one target creature.

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

: Target creature can't block Burning-Tree Bloodscale this turn.

: Target creature blocks Burning-Tree Bloodscale this turn if able.

Whenever a player activates an ability that isn't a mana ability, Burning-Tree Shaman deals 1 damage to that player.

Trample, haste

When Burning-Yard Trainer enters the battlefield, another target Knight you control gets +2/+2 and gains trample and haste until end of turn.

, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

As an additional cost to cast this spell, sacrifice a creature.

Add X mana in any combination of and/or , where X is the sacrificed creature's mana value.

Flying

Reinforce 2— (, Discard this card: Put two +1/+1 counters on target creature.)

Whenever Burrenton Shield-Bearers attacks, target creature gets +0/+3 until end of turn.

Untap target permanent.

Put a +1/+1 counter on target creature and untap it.

When a creature dealt damage by Bushi Tenderfoot this turn dies, flip Bushi Tenderfoot.

Destroy all lands.

Creatures you control get +2/+2 and gain trample until end of turn. You may turn a creature you control face up.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Flying

Sacrifice another creature: Butcher of the Horde gains your choice of vigilance, lifelink, or haste until end of turn.

Equipped creature gets +3/+0.

As long as equipped creature is a Human, it has lifelink.

Equip

At the beginning of your end step, if you don't control a Food, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")