Choose a player who cast one or more sorcery spells this turn. Backdraft deals damage to that player equal to half the damage dealt by one of those sorcery spells this turn, rounded down.

Enchant creature

Whenever enchanted creature deals damage to you, Backfire deals that much damage to that creature's controller.

Turn target creature with a morph ability face down.

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

, Growl: Regenerate Bad Ass.

Black creatures get +1/+1.

(: Add or .)

Whenever you sacrifice another nontoken artifact or creature, exile it.

, , Sacrifice another artifact or creature: Draw a card.

, , Sacrifice Bag of Devouring: Roll a d10. Return up to X cards from among cards exiled with Bag of Devouring to their owners' hands, where X is the result.

, : Roll a d8. Reveal cards from the top of your library until you reveal a creature card with mana value equal to the result. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Destroy target creature. Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Baku Altar.

, , Remove a ki counter from Baku Altar: Create a 1/1 colorless Spirit creature token.

Bala Ged Sanctuary enters the battlefield tapped.

: Add .

Whenever Bala Ged Thief or another Ally enters the battlefield under your control, target player reveals a number of cards from their hand equal to the number of Allies you control. You choose one of them. That player discards that card.

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

Each player chooses a number of permanents they control equal to the number of permanents controlled by the player who controls the fewest, then sacrifices the rest. Each player discards cards the same way.

, Exile a creature card from your graveyard: Create a 3/1 black and red Graveborn creature token with haste. Sacrifice it at the beginning of the next end step.

, : Target snow land becomes a 2/2 blue Elemental creature with flying. It's still a land.

Balduvian Hydra enters the battlefield with X +1/+0 counters on it.

Remove a +1/+0 counter from Balduvian Hydra: Prevent the next 1 damage that would be dealt to Balduvian Hydra this turn.

: Put a +1/+0 counter on Balduvian Hydra. Activate only during your upkeep.

: Change the text of target white enchantment you control that doesn't have cumulative upkeep by replacing all instances of one color word with another. (For example, you may change "black creatures can't attack" to "blue creatures can't attack.") That enchantment gains "Cumulative upkeep ." (At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)

: Remove target blocking creature from combat. Creatures it was blocking that hadn't become blocked by another creature this combat become unblocked, then it blocks an attacking creature of your choice. Activate only during the declare blockers step.

Flying

Whenever Balefire Dragon deals combat damage to a player, it deals that much damage to each creature that player controls.

Lifelink

When Baleful Ammit enters the battlefield, put a -1/-1 counter on target creature you control.

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.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Enchanted creature gets +1/+1 and has deathtouch.

You may pay rather than pay this spell's mana cost.

If the cost was paid, an opponent draws a card.

Exile target creature or planeswalker.

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

Whenever Ballista Charger attacks, it deals 1 damage to any target.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

, , Discard a card: Target creature gains flying until end of turn.

First strike

Ballynock Cohort gets +1/+1 as long as you control another white creature.

Kithkin spells and Soldier spells you cast cost less to cast.

If an opponent had an artifact enter the battlefield under their control this turn, you may pay rather than pay this spell's mana cost.

Create a 4/4 green Beast creature token.

When Baloth Null enters the battlefield, return up to two target creature cards from your graveyard to your hand.

Landfall — Whenever a land enters the battlefield under your control, Baloth Woodcrasher gets +4/+4 and gains trample until end of turn.

Flying

: Balshan Collaborator gets +1/+1 until end of turn.

Minion creatures get +1/+1.

, Exile Balthor the Defiled: Each player returns all black and all red creature cards from their graveyard to the battlefield.

Flying

When Balustrade Spy enters the battlefield, target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Up to two target creatures you control each deal damage equal to their power to another target creature.

All Slivers have banding. <i>(Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)</i>

: Draw a card, then exile a card from your hand face down.

You may look at cards exiled with Bane Alley Broker.

, : Return a card exiled with Bane Alley Broker to its owner's hand.

Bane of Hanweir attacks each combat if able.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Bane of Hanweir.

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.

At the beginning of your end step, you may reveal the top card of your library. If you do, each opponent loses life equal to that card's mana value.

Flying, first strike, lifelink, protection from Demons and from Dragons

Enchant creature

When enchanted creature dies, that creature's controller loses life equal to its toughness.

When you cast this spell from your hand, copy it if you control an artifact, then copy it if you control an enchantment. You may choose new targets for the copies.

Return target nonland permanent to its owner's hand. You create a 2/2 white Knight creature token with vigilance.

Until end of turn, target creature gains ": Return target nonland permanent to its owner's hand."

Put target artifact, creature, or enchantment on the bottom of its owner's library.

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

As an additional cost to cast this spell, sacrifice two creatures.

Draw three cards.

Creatures you control get +1/+0 until end of turn.

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Whenever Banshee of the Dread Choir deals combat damage to a player, that player discards a card.

, : Target creature gains trample until end of turn.

, : Target creature gains flying until end of turn.