Bloodstained Mire
, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card and put it onto the battlefield. Then shuffle your library.
$ 000
Bloodline Keeper | Lord of Lineage
Casting Cost:
Flying
: Put a 2/2 black Vampire creature token with flying onto the battlefield.
: Transform Bloodline Keeper. Activate this ability only if you control five or more Vampires.
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Bloodghast
Bloodghast can't block.
Bloodghast has haste as long as an opponent has 10 or less life.
Landfall — Whenever a land enters the battlefield under your control, you may return Bloodghast from your graveyard to the battlefield.
Bloodchief Ascension
At the beginning of each end step, if an opponent lost 2 or more life this turn, you may put a quest counter on Bloodchief Ascension. (Damage causes loss of life.)
Whenever a card is put into an opponent's graveyard from anywhere, if Bloodchief Ascension has three or more quest counters on it, you may have that player lose 2 life. If you do, you gain 2 life.
Blood Moon
Nonbasic lands are Mountains.
Blood Lust
If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.
Blood Crypt
: Add or to your mana pool.
As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, Blood Crypt enters the battlefield tapped.
Blood Baron of Vizkopa
Lifelink, protection from white and from black
As long as you have 30 or more life and an opponent has 10 or less life, Blood Baron of Vizkopa gets +6/+6 and has flying.
Blistering Firecat
Trample, haste
At end of turn, sacrifice Blistering Firecat.
Morph (You may play this face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
Blinkmoth Nexus
: Add to your mana pool.
: Blinkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying until end of turn. It's still a land.
, : Target Blinkmoth creature gets +1/+1 until end of turn.