Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

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

When Bogardan Rager enters, target creature gets +4/+0 until end of turn.

Return target Goblin card from your graveyard to your hand.

Menace (This creature can't be blocked except by two or more creatures.)

When Boggart Harbinger enters, you may search your library for a Goblin card, reveal it, then shuffle and put that card on top.

Champion a Goblin (When this enters, sacrifice it unless you exile another Goblin you control. When this leaves the battlefield, that card returns to the battlefield.)

Whenever a Goblin you control deals combat damage to a player, you may create a 1/1 black Goblin Rogue creature token.

Whenever another Goblin you control is put into a graveyard from the battlefield, you may have Boggart Shenanigans deal 1 damage to target player or planeswalker.

When Boggart Trawler enters, exile target player's graveyard.

Boiling Earth deals 1 damage to each creature your opponents control.

Awaken 4— (If you cast this spell for , also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Bojuka Bog enters tapped.

When Bojuka Bog enters, exile target player's graveyard.

: Add .

Backup 1 (When this creature enters, 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, tap target artifact or creature an opponent controls.

You may look at the top card of your library any time.

You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.

, Sacrifice ten nonland permanents: Each opponent loses 10 life.

Flash

Whenever an opponent puts one or more counters on a creature they control, they put the same number and kind of counters on Bold Plagiarist.

Cowards can't block Warriors.

: Target creature becomes a Coward until end of turn.

: Target creature becomes a Warrior until end of turn.

, Remove a +1/+1 counter from a creature you control: Bolrac-Clan Crusher deals 2 damage to any target.

Flying

Whenever another creature you control enters, target creature gets +2/+0 until end of turn.

Haste

Whenever Bomat Courier attacks, exile the top card of your library face down. (You can't look at it.)

, Discard your hand, Sacrifice Bomat Courier: Put all cards exiled with Bomat Courier into their owners' hands.

Target creature you control gets +1/+1 and gains hexproof until end of turn. The Ring tempts you. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

Until end of turn, cards you own that aren't on the battlefield lose all card types, costs, names, and abilities and become red sorceries named Missile that cost with "Missile deals 2 damage to any target."

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Bond of Passion deals 2 damage to any other target.

: Transform Bonded Herdbeast. Activate only as a sorcery. ( can be paid with either or 2 life.)

: Add one mana of any color.

, : Each player who controls a permanent named Bonder's Ornament draws a card.

When Bonds of Mortality enters, draw a card.

: Creatures your opponents control lose hexproof and indestructible until end of turn.

Flying

, Exile seven other cards from your graveyard: Return Bone Dragon from your graveyard to the battlefield tapped.

, : The next time a source of your choice would deal damage to you this turn, prevent that damage. Exile cards from the top of your library equal to the damage prevented this way.

When CARDNAME is put into your graveyard from anywhere, exile it. When you do, create four Reassembling Skeleton token cards and put them into your graveyard.

Equipped creature gets +1/+0.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

As an additional cost to cast this spell, sacrifice a creature or discard a card.

Destroy target creature or planeswalker.

, Exile Bonebind Orator from your graveyard: Return another target creature card from your graveyard to your hand.

, Pay 1 life: Draw a card. Activate only if three or more cards left your graveyard this turn or if you've sacrificed a Food this turn.

When Boneclad Necromancer enters, you may exile target creature card from a graveyard. If you do, create a 2/2 black Zombie creature token.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)

Equipped creature gets +X/+X, where X is the number of creature cards in all graveyards.

Equip

Flying

Threshold — As long as seven or more cards are in your graveyard, Boneshard Slasher gets +2/+2 and has "When Boneshard Slasher becomes the target of a spell or ability, sacrifice it."

When Boneyard Aberration dies, exile it. If you do, conjure three cards named Reassembling Skeleton into your graveyard.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, return target permanent card from your graveyard to your hand.

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.

Boneyard Wurm's power and toughness are each equal to the number of creature cards in your graveyard.

Reach

When Bonny Pall, Clearcutter enters, create Beau, a legendary blue Ox creature token with "This creature's power and toughness are each equal to the number of lands you control."

Whenever you attack, draw a card, then you may put a land card from your hand or graveyard onto the battlefield.

As Booby Trap enters, choose an opponent and a card name other than a basic land card name.

The chosen player reveals each card they draw.

When the chosen player draws a card with the chosen name, sacrifice Booby Trap. If you do, Booby Trap deals 10 damage to that player.

, Pay 2 life: Draw a card.

Return target permanent to its owner's hand.

Enchant creature

Enchanted creature gets +3/-3.

Constellation — Whenever Boon of the Spirit Realm or another enchantment you control enters, put a blessing counter on Boon of the Spirit Realm.

Creatures you control get +1/+1 for each blessing counter on Boon of the Spirit Realm.

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

Flying, first strike, lifelink

Lands you control have ": Create a Treasure token."

Trample

Whenever Borborygmos Enraged deals combat damage to a player, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

Discard a land card: Borborygmos Enraged deals 3 damage to any target.

Whenever you cast a silver-bordered spell, put a +1/+1 counter on Border Guardian.

Whenever you cast a black-bordered spell, Border Guardian can't be blocked this turn.

Whenever you cast a white-bordered spell, Border Guardian gains double strike until end of turn.

Trample

Borderland Behemoth gets +4/+4 for each other Giant you control.

Whenever Borderland Marauder attacks, it gets +2/+0 until end of turn.

When Borderland Ranger enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.