Destroy all Islands.

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, tap target artifact or creature an opponent controls.

Flying

Whenever another creature enters the battlefield under your control, target creature gets +2/+0 until end of turn.

Look at the top three cards of your library. You may reveal a permanent card from among them and put it into your hand. Put the rest on the bottom of your library in any order. You gain 3 life.

Create a tapped 4/1 black Skeleton creature token with menace. (Then exile this card. You may cast the artifact later from exile.)

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

Whenever you crank Boomflinger, roll two six-sided dice. Boomflinger deals damage to target player or planeswalker equal to the difference between those results.

You may cast spells this turn as though they had flash.

Draw a card.

Draw a card for each tapped creature target opponent controls.

Bouncing Beebles can't be blocked as long as defending player controls an artifact.

Enchant permanent

Enchanted permanent can't attack, block, or crew Vehicles, and its activated abilities can't be activated unless they're mana abilities.

Whenever Bounding Felidar attacks while saddled, put a +1/+1 counter on each other creature you control. You gain 1 life for each of those creatures.

Saddle 2 (Tap any number of other creatures you control with total power 2 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Flash

Reach

Destroy target artifact or creature. Its controller creates a 2/2 white Ox creature token.

Whenever a creature enters the battlefield under your control, it fights up to one target creature you don't control with the same mana value.

: Create a Treasure token. Activate only if you control a creature that fought this turn.

At the beginning of each player's upkeep, that player sacrifices an artifact, creature, or land.

When you cast this spell, any player may sacrifice a creature. If a player does, counter Brain Gorgers.

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.)

When Brain Maggot enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card until Brain Maggot leaves the battlefield.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Sacrifice Brain Weevil: Target player discards two cards. Activate only as a sorcery.

Target player draws X cards.

Flying

At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it.

Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose life equal to its mana value.

Draw three cards, then put two cards from your hand on top of your library in any order.

Partner with Shabraz, the Skyshark (When this creature enters the battlefield, target player may put Shabraz into their hand from their library, then shuffle.)

Whenever you discard a card, put a +1/+1 counter on Brallin, Skyshark Rider and it deals 1 damage to each opponent.

: Target Shark gains trample until end of turn.

Choose one or both —

• Branching Bolt deals 3 damage to target creature with flying.

• Branching Bolt deals 3 damage to target creature without flying.

When Brandywine Farmer enters or leaves the battlefield, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

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

When Breaching Hippocamp enters the battlefield, untap another target creature you control.

: Target creature with power 2 or less gains haste until end of turn and can't be blocked this turn.

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.

(: Add or .)

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

: Brightling gains vigilance until end of turn.

: Brightling gains lifelink until end of turn.

: Return Brightling to its owner's hand.

: Brightling gets +1/-1 or -1/+1 until end of turn.

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.

When Brindle Shoat dies, create a 3/3 green Boar creature token.

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.)

, Sacrifice a creature: Target creature gets +2/+2 until end of turn.

, Sacrifice a creature: Counter target creature spell.

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

Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on Brineborn Cutthroat.

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.)

Assist (Another player can pay up to of this spell's cost.)

Destroy target creature with power 4 or greater.

Counter target spell unless its controller pays .

Corrupted — Counter that spell instead if its controller has three or more poison counters.

Converge — Search your library for a creature, instant, or sorcery card with mana value less than or equal to the number of colors of mana spent to cast this spell, exile that card, then shuffle. You may cast that card without paying its mana cost.

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.

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.

Destroy target artifact, enchantment, or creature with flying.

If you control an Eldrazi Spawn, create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add ." Otherwise, create one of those tokens.