Exile up to five target creature cards from graveyards. An opponent separates those cards into two piles. Put all cards from the pile of your choice onto the battlefield under your control and the rest into their owners' graveyards.

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

Menace, indestructible

Bontu the Glorified can't attack or block unless a creature died under your control this turn.

, Sacrifice another creature: Scry 1. Each opponent loses 1 life and you gain 1 life.

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.

Any player may have Book Burning deal 6 damage to them. If no one does, target player puts the top six cards of their library into their graveyard.

, Pay 2 life: Draw a card.

Whenever you crank Boomflinger, roll two six-sided dice. Boomflinger deals damage to target player or planeswalker equal to the difference between those results.

Target creature gets +2/+0 until end of turn. Regenerate it. You lose 2 life.

Flash

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Enchanted creature gets +4/+2.

Open a sealed Magic booster pack, reveal the cards, and put one of those cards into your hand. (Remove that card from your deck before beginning a new game.)

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 the battlefield, you may search your library for a basic land card, reveal it, and put it into your hand. If you do, shuffle your library.

: Add .

Flying

: Boreal Griffin gains first strike until end of turn. ( can be paid with one mana from a snow permanent.)

Flying

When Boreas Charger leaves the battlefield, choose an opponent who controls more lands than you. Search your library for a number of Plains cards equal to the difference and reveal them. Put one of them onto the battlefield tapped and the rest into your hand. Then shuffle your library.

At the beginning of each combat, up to one target creature attacks or blocks this combat if able and up to one target creature can't attack or block this combat.

Choose one —

• Boros Charm deals 4 damage to target player or planeswalker.

• Permanents you control gain indestructible until end of turn.

• Target creature gains double strike until end of turn.

Battalion — Whenever Boros Elite and at least two other creatures attack, Boros Elite gets +2/+2 until end of turn.

Boros Garrison enters the battlefield tapped.

When Boros Garrison enters the battlefield, return a land you control to its owner's hand.

: Add .

: Target creature gains haste until end of turn.

: Target creature gains first strike until end of turn.

: Add or .

, , Sacrifice Boros Locket: Draw two cards.

Whenever Boros Reckoner is dealt damage, it deals that much damage to any target.

: Boros Reckoner gains first strike until end of turn.

, : Add .

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.

Trample

, Sacrifice an artifact: Bosh, Iron Golem deals damage equal to the sacrificed artifact's converted mana cost to any target.

Treefolk spells and Shaman spells you cast cost less to cast.

Surge (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)

Boulder Salvo deals 4 damage to target creature.

Sacrifice a creature. Return up to X cards from your graveyard to your hand, where X is the number of colors that creature was. Exile this card.

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

When Bounding Krasis enters the battlefield, you may tap or untap target creature.

Flying

Whenever you cast a Spirit or Arcane spell, you may gain life equal to that spell's converted mana cost.

Bountiful Promenade enters the battlefield tapped unless you have two or more opponents.

: Add or .

Creatures with flying can't block creatures you control.

Prevent all damage that would be dealt to target multicolored creature this turn. For each 1 damage prevented this way, put a +1/+1 counter on that creature.

Flying

Whenever Brago, King Eternal deals combat damage to a player, exile any number of target nonland permanents you control, then return those cards to the battlefield under their owner's control.

Cumulative upkeep—Add . (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.)

At the beginning of each player's upkeep, that player may put an artifact, creature, or land card from their hand onto the battlefield.

, , Sacrifice Braidwood Sextant: Search your library for a basic land card, reveal that card, and put it into your hand. Then shuffle your library.

When you cast this spell, any player may sacrifice a creature. If a player does, counter Brain Gorgers.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

When Brain Maggot enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card until Brain Maggot leaves the battlefield.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Sacrifice Brain Weevil: Target player discards two cards. Activate this ability only any time you could cast a sorcery.

Target player draws X cards.

Draw three cards, then put two cards from your hand on top of your library in any order.

Whenever Bramble Creeper attacks, it gets +5/+0 until end of turn.

Whenever another nontoken creature enters the battlefield, you may pay . If you do, that creature's controller creates a token that's a copy of that creature.

Trample

Tap an untapped creature you control: Bramblesnap gets +1/+1 until end of turn.