Betroth the Beast

Create a Royal Role token attached to target creature you control. (Enchanted creature gets +1/+1 and has ward {1}.)

Besotted Knight

Besotted Knight // Betroth the Beast

Bramblefort Fink

{8}: This creature has base power and toughness 10/10 until end of turn. Activate only if you control an Oko planeswalker.

Battlefield Improvisation

Target creature gets +2/+2 until end of turn. If that creature is attacking, you may attach any number of Equipment you control to it.

Dauntless Avenger

Whenever this creature attacks, return target creature card with mana value 2 or less from your graveyard to the battlefield tapped and attacking.

Bereaved Survivor

When another creature you control dies, transform this creature.

Bereaved Survivor // Dauntless Avenger

Brago's Representative

While voting, you get an additional vote. (The votes can be for different choices or for the same choice.)

Bartered Cow

When this creature dies and when you discard this card, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Angelic Guardian

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever one or more creatures you control attack, they gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Ancient Tomb

{T}: Add {C}{C}. This land deals 2 damage to you.

Annihilate

Destroy target nonblack creature. It can't be regenerated.
Draw a card.

Break Asunder

Destroy target artifact or enchantment.
Cycling {2} ({2}, Discard this card: Draw a card.)

Atomwheel Acrobats

Whenever you roll a 1 or 2, put that many +1/+1 counters on this creature.
{2}{G}: Roll a six-sided die.

Armory Automaton

Whenever this creature enters or attacks, you may attach any number of target Equipment to it. (Control of the Equipment doesn't change.)

Aspect of Gorgon

Enchant creature
Enchanted creature gets +1/+3 and has deathtouch. (Any amount of damage it deals to a creature is enough to destroy it.)

Aysen Bureaucrats

{T}: Tap target creature with power 2 or less.

Bountiful Promenade

This land enters tapped unless you have two or more opponents.
{T}: Add {G} or {W}.

Army of Allah

Attacking creatures get +2/+0 until end of turn.

Braidwood Cup

Abrupt Decay

This spell can't be countered.
Destroy target nonland permanent with mana value 3 or less.

Akroma, Angel of Wrath

Flying, first strike, vigilance, trample, haste, protection from black and from red

Benalish Missionary

{1}{W}, {T}: Prevent all combat damage that would be dealt by target blocked creature this turn.

Blood Pet

Bovine Intervention

Destroy target artifact or creature. Its controller creates a 2/2 white Ox creature token.

Ashes of the Abhorrent

Players can't cast spells from graveyards or activate abilities of cards in graveyards.
Whenever a creature dies, you gain 1 life.

Bloodbond Vampire

Whenever you gain life, put a +1/+1 counter on this creature.

Doran, the Siege Tower

Each creature assigns combat damage equal to its toughness rather than its power.

A Good Day to Pie

Tap up to two target creatures.
Whenever you put a name sticker on a creature, you may return this card from your graveyard to your hand.

Lord of Lineage

Flying
Other Vampire creatures you control get +2/+2.
{T}: Create a 2/2 black Vampire creature token with flying.

Bloodline Keeper

Flying
{T}: Create a 2/2 black Vampire creature token with flying.
{B}: Transform this creature. Activate only if you control five or more Vampires.

Bloodline Keeper // Lord of Lineage

Ashen Powder

Put target creature card from an opponent's graveyard onto the battlefield under your control.

Arctic Wolves

Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When this creature enters, draw a card.

Alms Collector

Flash
If an opponent would draw two or more cards, instead you and that player each draw a card.

Bountiful Harvest

You gain 1 life for each land you control.

Bag of Holding

Whenever you discard a card, exile that card from your graveyard.
{2}, {T}: Draw a card, then discard a card.
{4}, {T}, Sacrifice this artifact: Return all cards exiled with this artifact to their owner's hand.

Burlfist Oak

Whenever you draw a card, this creature gets +2/+2 until end of turn.

Buried Alive

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Beast Whisperer

Whenever you cast a creature spell, draw a card.

Animal Sanctuary

{T}: Add {C}.
{2}, {T}: Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake.

Blighted Steppe

{T}: Add {C}.
{3}{W}, {T}, Sacrifice this land: You gain 2 life for each creature you control.

Axis of Mortality

At the beginning of your upkeep, you may have two target players exchange life totals.

Acidic Slime

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When this creature enters, destroy target artifact, enchantment, or land.

Basal Thrull

{T}, Sacrifice this creature: Add {B}{B}.

Anthem of Champions

Armored Warhorse

Blight Grenade

Destroy target creature.
All creatures get -3/-3 until end of turn.

Alluring Scent

All creatures able to block target creature this turn do so.

Bashful Beastie

When this creature dies, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

Automated Artificer

{T}: Add {C}. Spend this mana only to activate an ability or cast an artifact spell.

Bloodtallow Candle

{6}, {T}, Sacrifice this artifact: Target creature gets -5/-5 until end of turn.

Avacyn's Memorial

Indestructible
Other legendary permanents you control have indestructible.

Battershield Warrior

Boast — {1}{W}: Creatures you control get +1/+1 until end of turn. (Activate only if this creature attacked this turn and only once each turn.)

Adarkar Sentinel

{1}: This creature gets +0/+1 until end of turn.

Behind the Scenes

Creatures you control have skulk. (They can't be blocked by creatures with greater power.)
{4}{W}: Creatures you control get +1/+1 until end of turn.

Abyssal Harvester

{T}: Exile target creature card from a graveyard that was put there this turn. Create a token that's a copy of it, except it's a Nightmare in addition to its other types. Then exile all other Nightmare tokens you control.

Bogstomper

Barbara Wright

History Teacher — Sagas you control have read ahead. (As a Saga enters, choose a chapter and start with that many lore counters. Skipped chapters don't trigger.)
Doctor's companion (You can have two commanders if the other is the Doctor.)

Ballynock Trapper

{T}: Tap target creature.
Whenever you cast a white spell, you may untap this creature.

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Blazing Hope

Exile target creature with power greater than or equal to your life total.

Atrocious Experiment

Target player mills two cards, draws two cards, and loses 2 life. (To mill a card, a player puts the top card of their library into their graveyard.)

Battering Ram

At the beginning of combat on your turn, this creature gains banding until end of combat. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's blocking.)
Whenever this creature becomes blocked by a Wall, destroy that Wall at end of combat.

Border Patrol

Akroma's Memorial

Creatures you control have flying, first strike, vigilance, trample, haste, and protection from black and from red.

Blood Reckoning

Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life.

Armada Wurm

Trample
When this creature enters, create a 5/5 green Wurm creature token with trample.

Blood Artist

Whenever this creature or another creature dies, target player loses 1 life and you gain 1 life.

Arboreal Grazer

Reach
When this creature enters, you may put a land card from your hand onto the battlefield tapped.

Benalish Hero

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Balemurk Leech

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, each opponent loses 1 life.

Angel of Renewal

Flying
When this creature enters, you gain 1 life for each creature you control.