When Breaching Leviathan enters the battlefield, if you cast it from your hand, tap all nonblue creatures. Those creatures don't untap during their controllers' next untap steps.

Destroy target artifact or enchantment. Create a Junk token. (It's an artifact with ", Sacrifice this artifact: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

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

Fateful hour — If you have 5 or less life, those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Look at the top six cards of your library. You may reveal a creature card from among them. If that card has mana value 2 or less, you may put it onto the battlefield and it gains haste until end of turn. If you didn't put the revealed card onto the battlefield this way, put it into your hand. Put the rest on the bottom of your library in a random order.

Destroy target enchantment. If a permanent you controlled or a token was destroyed this way, draw a card.

Choose one —

• Destroy target artifact.

• Destroy target enchantment.

• Exile target card from a graveyard.

Reinforce 1— (, Discard this card: Put a +1/+1 counter on target creature.)

When you cast this spell, you gain 1 life for each colorless permanent you control.

Hexproof from each color

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Target creature an opponent controls deals damage equal to its power to another target creature that player controls. The Ring tempts you.

You may cast Breaking Wave as though it had flash if you pay more to cast it. (You may cast it any time you could cast an instant.)

Simultaneously untap all tapped creatures and tap all untapped creatures.

At the beginning of each upkeep, if no spells were cast last turn, transform Breakneck Rider.

Kicker (You may pay an additional as you cast this spell.)

Breath of Darigaaz deals 1 damage to each creature without flying and each player. If this spell was kicked, it deals 4 damage to each creature without flying and each player instead.

Breath of Fire deals 2 damage to target creature.

Return target creature card from your graveyard to the battlefield.

You may cast Spirit spells as though they had flash.

Whenever you cast a creature spell during an opponent's turn, tap up to one target creature.

Destroy target creature or planeswalker. You gain 1 life for each of its colors.

Flying, lifelink

Whenever Breathless Knight or another creature enters the battlefield under your control, if that creature entered from a graveyard or you cast it from a graveyard, put a +1/+1 counter on Breathless Knight.

If a player would draw a card, instead they draw a card and reveal it. If it's a creature card, that player discards it unless they pay 3 life.

First strike

Whenever a Pirate you control attacks, choose one that hasn't been chosen this turn —

• Create a Treasure token.

• Target creature can't block this turn.

• Exile the top card of your library. You may play it this turn.

Flying

Whenever a player attacks one of your opponents, if that opponent has more life than another of your opponents, that attacking player draws a card and you put two +1/+1 counters on a creature you control.

Bretagard Stronghold enters the battlefield tapped.

: Add .

, , Sacrifice Bretagard Stronghold: Put a +1/+1 counter on each of up to two target creatures you control. They gain vigilance and lifelink until end of turn. Activate only as a sorcery.

When Breya's Apprentice enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

, Sacrifice an artifact: Choose one —

• Exile the top card of your library. Until the end of your next turn, you may play that card.

• Target creature gets +2/+0 until end of turn.

Whenever a creature attacks you, it gets -1/-0 until end of turn.

Flying

Briarberry Cohort gets +1/+1 as long as you control another blue creature.

Whenever Briarbridge Patrol deals damage to one or more creatures, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

At the beginning of each end step, if you sacrificed three or more Clues this turn, you may put a creature card from your hand onto the battlefield.

Flash

When Briarhorn enters the battlefield, target creature gets +3/+3 until end of turn.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

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

When Briarpack Alpha enters the battlefield, target creature gets +2/+2 until end of turn.

Target creature you control gets +2/+2 until end of turn. It fights up to one target creature you don't control. (Each deals damage equal to its power to the other.)

: Add .

Elemental spells and Warrior spells you cast cost less to cast.

Reinforce 1— (, Discard this card: Put a +1/+1 counter on target creature.)

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Whenever this creature attacks, double the number of +1/+1 counters on target creature. That creature can't be blocked by creatures with power 2 or less this turn.

, : Look at the top four cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Enchant creature

Enchanted creature gets +1/+2.

When Brilliant Halo is put into a graveyard from the battlefield, return Brilliant Halo to its owner's hand.

Return all artifact and enchantment cards from your graveyard to the battlefield.

Exile the top five cards of your library. An opponent separates those cards into two piles. You may play lands and cast spells from one of those piles. If you cast a spell this way, you cast it without paying its mana cost.

Vigilance

Whenever Brimaz, King of Oreskos attacks, create a 1/1 white Cat Soldier creature token with vigilance that's attacking.

Whenever Brimaz blocks a creature, create a 1/1 white Cat Soldier creature token with vigilance that's blocking that creature.

Level up (: Put a level counter on this. Level up only as a sorcery.)

LEVEL 1-2

2/3

: Brimstone Mage deals 1 damage to any target.

LEVEL 3+

2/4

: Brimstone Mage deals 3 damage to any target.

Sacrifice Brindle Boar: You gain 4 life.

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 Brine Elemental is turned face up, each opponent skips their next untap step.

When Brine Hag dies, change the base power and toughness of all creatures that dealt damage to it this turn to 0/2. (This effect lasts indefinitely.)

Flash

When Brinebarrow Intruder enters the battlefield, target creature an opponent controls gets -2/-0 until end of turn.

When Brinelin, the Moon Kraken enters the battlefield and whenever you cast a spell with mana value 6 or greater, you may return target nonland permanent to its owner's hand.

Partner (You can have two commanders if both have partner.)

Target noncreature artifact you control becomes a 0/0 artifact creature. Put four +1/+1 counters on it.

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

Trample

At the beginning of your upkeep, you may pay 2 life. If you do, search your library for a card, then shuffle and put that card on top.

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

Trample

At the beginning of your upkeep, you may create a 3/3 green Beast creature token.

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

Trample

At the beginning of your upkeep, you may untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.

Enchant creature or land

When enchanted permanent becomes tapped, destroy it.

Lifelink

, , Sacrifice another creature: Brion Stoutarm deals damage equal to the sacrificed creature's power to target player or planeswalker.

Trample

When Bristlebud Farmer enters the battlefield, create two Food tokens. (They're artifacts with ", , Sacrifice this artifact: You gain 3 life.")

Whenever Bristlebud Farmer attacks, you may sacrifice a Food. If you do, mill three cards. You may put a permanent card from among them into your hand.

Bristling Backwoods enters the battlefield tapped.

When Bristling Backwoods enters the battlefield, it deals 1 damage to target opponent.

: Add or .

When Bristling Hydra enters the battlefield, you get (three energy counters).

Pay : Put a +1/+1 counter on Bristling Hydra. It gains hexproof until end of turn.