Blossoming Sands enters tapped.

When Blossoming Sands enters, you gain 1 life.

: Add or .

You gain life equal to the number of creature cards in your graveyard.

Blow Off Steam deals 1 damage to any target. (Then exile this card. You may cast the creature later from exile.)

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

Enchant creature

Enchanted creature can't be blocked by blue creatures.

Enchanted creature gets +2/+2 as long as an opponent controls a blue permanent.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

You gain 1 life for each creature on the battlefield. Prevent all combat damage that would be dealt this turn.

Sliver creatures you control have haste. (They can attack and as soon as they come under your control.)

Tap target creature you don't control.

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

When Boareskyr Tollkeeper enters the battlefield, target opponent reveals all creature and land cards in their hand. Choose one of them. That card perpetually gains "This permanent enters the battlefield tapped."

Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of cards in your library.

Bog Hoodlums can't block.

When Bog Hoodlums enters, clash with an opponent. If you win, put a +1/+1 counter on Bog Hoodlums. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Bog Rats can't be blocked by Walls.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Plainswalk (This creature can't be blocked as long as defending player controls a Plains.)

, Sacrifice Boggart Arsonists: Destroy target Scarecrow or Plains.

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 Boilerbilges Ripper enters, you may sacrifice another creature or enchantment. When you do, Boilerbilges Ripper deals 2 damage to any target.

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.

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

Creatures you control get +1/+1 until end of turn. If this spell was kicked, instead creatures you control get +2/+2 and gain first strike until end of turn.

Trample

When Boldwyr Heavyweights enters, each opponent may search their library for a creature card and put it onto the battlefield. Then each player who searched their library this way shuffles.

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

: Put a fuse counter on target creature.

At the beginning of your upkeep, put a fuse counter on each creature with a fuse counter on it.

Whenever a creature has four or more fuse counters on it, remove all fuse counters from it and destroy it. That creature deals 4 damage to its controller.

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."

Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn.

Each player mills four cards. Return up to two instant and/or sorcery cards from your graveyard to your hand. Exile Bond of Insight.

Bonded Construct can't attack alone.

Bonded Horncrest can't attack or block alone.

: 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.

Put any number of target creature cards from your graveyard on top of your library.

Draw a card at the beginning of the next turn's upkeep.

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.

Whenever equipped creature attacks, put four +1/+1 counters on it.

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

: Until end of turn, Bone Shaman gains "Creatures dealt damage by Bone Shaman this turn can't be regenerated this turn."

Flying

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Bone Shredder enters, destroy target nonartifact, nonblack creature.

Counter target creature spell.

Draw a card.

Whenever Bonecrusher Giant becomes the target of a spell, Bonecrusher Giant deals 2 damage to that spell's controller.

Flying

Corrupted — As long as an opponent has three or more poison counters, Bonepicker Skirge has deathtouch and lifelink.

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."

All Sliver creatures get +2/+0.

Menace

, Sacrifice another creature: Put a +1/+1 counter on Boneyard Desecrator. If an outlaw was sacrificed this way, create a Treasure token. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)

Destroy all creatures. Lands you control don't untap during your next untap step.

Until end of turn, whenever a player casts an instant or sorcery spell, that player copies it and may choose new targets for the copy.

Destroy target land you control and target land you don't control.

As Boomstacker enters and whenever it attacks, stack two dice on top of it. (All dice must be stacked vertically, one on top of another.)

Boomstacker gets +1/+1 for each die in its stack.

Boomstacker attacks each combat if able.

When the stack falls, sacrifice Boomstacker.

Target creature gets +2/+0 until end of turn. Regenerate it. You lose 2 life.

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.

Flash

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.)

Enchanted creature gets +4/+2.

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

Trample

Whenever Borborygmos deals combat damage to a player, put a +1/+1 counter on each creature you control.