Cowards can't block Warriors.

: Target creature becomes a Coward until end of turn.

: Target creature becomes a Warrior until end of turn.

This spell costs less to cast if you control a creature with power 4 or greater.

Change the target of target spell or ability with a single target.

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

When Boltbender is turned face up, you may choose new targets for any number of other spells and/or abilities.

: Put a fuse counter on target creature.

At the beginning of your upkeep, put a fuse counter on each creature with a fuse counter on it.

Whenever a creature has four or more fuse counters on it, remove all fuse counters from it and destroy it. That creature deals 4 damage to its controller.

Bombard deals 4 damage to target creature.

When Bond Beetle enters, put a +1/+1 counter on target creature.

Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn.

Each player mills four cards. Return up to two instant and/or sorcery cards from your graveyard to your hand. Exile Bond of Insight.

Return target creature card from your graveyard to the battlefield. It gains haste until your next turn.

Defender, haste

: Draw a card, then discard a card.

Bonded Horncrest can't attack or block alone.

: Add one mana of any color.

, : Each player who controls a permanent named Bonder's Ornament draws a card.

When Bonds of Mortality enters, draw a card.

: Creatures your opponents control lose hexproof and indestructible until end of turn.

Whenever Bone Dancer attacks and isn't blocked, you may put the top creature card of defending player's graveyard onto the battlefield under your control. If you do, Bone Dancer assigns no combat damage this turn.

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

Destroy target creature or planeswalker.

, Exile Bonebind Orator from your graveyard: Return another target creature card from your graveyard to your hand.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)

Equipped creature gets +X/+X, where X is the number of creature cards in all graveyards.

Equip

Flying

Threshold — As long as seven or more cards are in your graveyard, Boneshard Slasher gets +2/+2 and has "When Boneshard Slasher becomes the target of a spell or ability, sacrifice it."

Menace

, Sacrifice another creature: Put a +1/+1 counter on Boneyard Desecrator. If an outlaw was sacrificed this way, create a Treasure token. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)

Boneyard Mycodrax's power and toughness are each equal to the number of other creature cards in your graveyard.

Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Flying

Whenever a Dragon you control dies while Boneyard Scourge is in your graveyard, you may pay . If you do, return Boneyard Scourge from your graveyard to the battlefield.

Bonfire of the Damned deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Until end of turn, whenever a player casts an instant or sorcery spell, that player copies it and may choose new targets for the copy.

Equipped creature gets +1/+0 and has haste.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Trample

Whenever Borborygmos Enraged deals combat damage to a player, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

Discard a land card: Borborygmos Enraged deals 3 damage to any target.

Whenever you cast a silver-bordered spell, put a +1/+1 counter on Border Guardian.

Whenever you cast a black-bordered spell, Border Guardian can't be blocked this turn.

Whenever you cast a white-bordered spell, Border Guardian gains double strike until end of turn.

Trample

Borderland Behemoth gets +4/+4 for each other Giant you control.

Whenever Borderland Marauder attacks, it gets +2/+0 until end of turn.

When Borderland Ranger enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Whenever you cast a creature spell, if of any of that spell's colors was spent to cast it, that creature enters with an additional +1/+1 counter on it. ( is mana from a snow source.)

Enchant artifact or creature

As long as enchanted permanent is a creature, it gets +1/+1 for each creature and/or Vehicle you control.

Channel — , Discard Born to Drive: Create two 1/1 colorless Pilot creature tokens with "This creature crews Vehicles as though its power were 2 greater."

Whenever Boromir, Gondor's Hope enters or attacks, look at the top six cards of your library. You may reveal a Human or artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Prevent all combat damage that would be dealt by target attacking or blocking creature this turn. If was spent to cast this spell, Boros Fury-Shield deals damage to that creature's controller equal to the creature's power.

: Target creature gains haste until end of turn.

: Target creature gains first strike until end of turn.

Escalate (Pay this cost for each mode chosen beyond the first.)

Choose one or both —

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

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

Escalate (Pay this cost for each mode chosen beyond the first.)

Choose one or both —

• Target creature gets +1/+1 until end of turn.

• Target creature gets -1/-1 until end of turn.

Borrowing the East Wind deals X damage to each creature with horsemanship and each player.

: Add .

Channel — , Discard Boseiju, Who Endures: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs less to activate for each legendary creature you control.

At the beginning of each opponent's upkeep, exile all cards from your hand face down.

At the beginning of your upkeep, return all cards you own exiled with Bottled Cloister to your hand, then draw a card.

Target creature gets +2/+0 until end of turn. (Then exile this card. You may cast the creature later from exile.)

When Boulderbranch Golem enters, you gain life equal to its power.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

3/3

: Add .

This spell costs less to cast if it targets a black permanent.

Bouncer's Beatdown deals X damage to target creature or planeswalker, where X is the greatest power among creatures you control. If that creature or planeswalker would die this turn, exile it instead.

Enchant creature

Enchanted creature can't attack, block, or transform.

Sacrifice another permanent: Attach Bound by Moonsilver to target creature. Activate only as a sorcery and only once each turn.

Enchant creature

Enchanted creature can't attack or block.

Whenever Bounding Felidar attacks while saddled, put a +1/+1 counter on each other creature you control. You gain 1 life for each of those creatures.

Saddle 2 (Tap any number of other creatures you control with total power 2 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Flash

Reach

: Add .

, Sacrifice Bountiful Landscape: Search your library for a basic Forest, Island, or Mountain card, put it onto the battlefield tapped, then shuffle.

Cycling (, Discard this card: Draw a card.)

: Add one mana of any color.

, : Put a bounty counter on target creature. Activate only as a sorcery.

Whenever a creature with a bounty counter on it dies, each of its controller's opponents draws a card and gains 2 life.

Return target creature to its owner's hand. If it was tapped, create a Map token. (It's an artifact with ", , Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")