Flying
Whenever Backdraft Hellkite attacks, each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
When Bane of the Living is turned face up, all creatures get -X/-X until end of turn.

Barren Moor enters the battlefield tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

Put target artifact or creature card from a graveyard onto the battlefield under your control. Shuffle Beacon of Unrest into its owner's library.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

When Big Game Hunter enters the battlefield, destroy target creature with power 4 or greater. It can't be regenerated.
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.)

Creatures you control have base power and toughness X/X until end of turn.

Bloodfell Caves enters the battlefield tapped.
When Bloodfell Caves enters the battlefield, you gain 1 life.
: Add or .

Whenever Bloodhall Priest enters the battlefield or attacks, if you have no cards in hand, Bloodhall Priest deals 2 damage to any target.
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.)

Equipped creature gets +2/+0 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)
: Attach Bloodthirsty Blade to target creature an opponent controls. Activate this ability only any time you could cast a sorcery.

Blossoming Sands enters the battlefield tapped.
When Blossoming Sands enters the battlefield, you gain 1 life.
: Add or .

Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile all cards from target player's graveyard.
: Add .

Whenever you discard a creature card, create a 2/2 black Zombie creature token.
Whenever you discard a land card, add .
Whenever you discard a noncreature, nonland card, draw a card.

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.

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

Boros Guildgate enters the battlefield tapped.
: Add or .

At the beginning of your precombat main phase, remove all flood counters from Bounty of the Luxa. If no counters were removed this way, put a flood counter on Bounty of the Luxa and draw a card. Otherwise, add .

Whenever you cast a spell from your graveyard, Burning Vengeance deals 2 damage to any target.

, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle your library.

Return target black creature card from your graveyard to your hand.
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.)