Any player may have Book Burning deal 6 damage to him or her. If no one does, put the top six cards of target player's library into his or her graveyard.
Destroy target land you control and target land you don't control.
Return target permanent to its owner's hand.
If you would gain life, you gain twice that much life instead.
Trample
Whenever Borborygmos deals combat damage to a player, put a +1/+1 counter on each creature you control.
Vigilance
Borderland Behemoth gets +4/+4 for each other Giant you control.
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.
: Boreal Centaur gets +1/+1 until end of turn. Activate this ability only once each turn. ( can be paid with one mana from a snow permanent.)
: Add to your mana pool.
Flying
: Boreal Griffin gains first strike until end of turn. ( can be paid with one mana from a snow permanent.)
Boreal Shelf enters the battlefield tapped.
: Add or to your mana pool.
Prevent all combat damage that would be dealt by target attacking or blocking creature this turn. If was spent to cast Boros Fury-Shield, it deals damage to that creature's controller equal to the creature's power.
Boros Garrison enters the battlefield tapped.
When Boros Garrison enters the battlefield, return a land you control to its owner's hand.
: Target creature gains haste until end of turn.
: Target creature gains first strike until end of turn.
( can be paid with either or .)
First strike
, : Add to your mana pool.
Double strike
Boseiju, Who Shelters All enters the battlefield tapped.
, Pay 2 life: Add to your mana pool. If that mana is spent on an instant or sorcery spell, that spell can't be countered by spells or abilities.
, Sacrifice an artifact: Bosh, Iron Golem deals damage equal to the sacrificed artifact's converted mana cost to target creature or player.
Treefolk spells and Shaman spells you cast cost less to cast.
Sacrifice Bottle Gnomes: You gain 3 life.
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.
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.
Enchant creature
Enchanted creature can't attack or block.