At the beginning of your upkeep, you may put a page counter on Barrin's Codex.

, , Sacrifice Barrin's Codex: Draw X cards, where X is the number of page counters on Barrin's Codex.

Return target permanent to its owner's hand if that permanent shares a color with the most common color among all permanents or a color tied for most common.

When Barrowin of Clan Undurr enters, venture into the dungeon. (Enter the first room or advance to the next room.)

Whenever Barrowin of Clan Undurr attacks, return up to one creature card with mana value 3 or less from your graveyard to the battlefield if you've completed a dungeon.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever a Forest enters, green creatures you control get +1/+1 and gain trample until end of turn.

Grandeur — Discard another card named Baru, Fist of Krosa: Create an X/X green Wurm creature token, where X is the number of lands you control.

Basalt Monolith doesn't untap during your untap step.

: Add .

: Untap Basalt Monolith.

When Bashful Beastie dies, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

When Basilica Bell-Haunt enters, each opponent discards a card and you gain 3 life.

Flying

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

, Sacrifice Basilica Skullbomb: Draw a card.

, Sacrifice Basilica Skullbomb: Target creature you control gets +2/+2 and gains flying until end of turn. Draw a card. Activate only as a sorcery.

Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.)

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

Whenever you cast a historic spell, draw a card. Basim Ibn Ishaq can't be blocked this turn. This ability triggers only once each turn. (Artifacts, legendaries, and Sagas are historic.)

Whenever Basim Ibn Ishaq deals combat damage to a player, put a +1/+1 counter on it.

Descend 4 — Basking Capybara gets +3/+0 as long as there are four or more permanent cards in your graveyard.

+1: Put a +1/+1 counter on up to one target creature. It gains indestructible until end of turn.

−2: Whenever one or more nontoken creatures attack this turn, create that many 1/1 white Soldier creature tokens that are tapped and attacking.

−6: You get an emblem with "At the beginning of combat on your turn, create a 1/1 white Soldier creature token, then put a +1/+1 counter on each creature you control."

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

When Basri's Acolyte enters, put a +1/+1 counter on each of up to two other target creatures you control.

Vigilance, protection from multicolored

When Basri's Lieutenant enters, put a +1/+1 counter on target creature you control.

Whenever Basri's Lieutenant or another creature you control dies, if it had a +1/+1 counter on it, create a 2/2 white Knight creature token with vigilance.

: Bastion Mastodon gains vigilance until end of turn.

Commander creatures you control get +2/+2 and have indestructible.

Bathe in Dragonfire deals 4 damage to target creature.

Radiance — Choose a color. Target creature and each other creature that shares a color with it gain protection from the chosen color until end of turn.

First strike

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

At the beginning of combat on your turn, Battering Ram gains banding until end of combat. (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 being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's blocking.)

Whenever Battering Ram becomes blocked by a Wall, destroy that Wall at end of combat.

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

Creatures with power less than Battering Wurm's power can't block it.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Target creature gets -X/-X until end of turn. You gain X life.

Destroy target artifact. (Then exile this card. You may cast the creature later from exile.)

At the beginning of your upkeep, if you have 200 or more cards in your library, you win the game.

Whenever a creature blocks, Battle Strain deals 1 damage to that creature's controller.

: Add .

: Add or . Battlefield Forge deals 1 damage to you.

: Prevent the next X damage that would be dealt to target creature this turn, where X is the number of Clerics on the battlefield.

Put a +1/+1 counter on target creature. That creature gains first strike until end of turn. You gain 2 life. (A creature with first strike deals combat damage before creatures without first strike.)

You may exert Battlefield Scavenger as it attacks. (It won't untap during your next untap step.)

Whenever you exert a creature, you may discard a card. If you do, draw a card.

Each instant and sorcery spell you cast costs less to cast for each creature it targets.

Heroic — Whenever you cast a spell that targets Battlefield Thaumaturge, Battlefield Thaumaturge gains hexproof until end of turn.

Whenever you cast a spell that's both red and white, Battlegate Mimic has base power and toughness 4/2 until end of turn and gains first strike until end of turn.

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

Battle-Mad Ronin attacks each combat if able.

Whenever Battle-Scarred Goblin becomes blocked, it deals 1 damage to each creature blocking it.

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

Flying

When Battlewing Mystic enters, if it was kicked, discard your hand, then draw two cards.

Heroic — Whenever you cast a spell that targets Battlewise Hoplite, put a +1/+1 counter on Battlewise Hoplite, then scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom.)

Prevent all combat damage that would be dealt this turn if was spent to cast this spell. Each player loses 1 life for each attacking creature they control if was spent to cast this spell. (Do both if was spent.)

Create a 1/1 green Insect creature token for each Forest you control. Shuffle Beacon of Creation into its owner's library.

Beacon of Destruction deals 5 damage to any target. Shuffle Beacon of Destruction into its owner's library.

Target creature you control gets +2/+2 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Equipped creature gets +1/+0 and has menace. (It can't be blocked except by two or more creatures.)

Whenever equipped creature deals combat damage to a player or battle, create a Treasure token.

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

Vigilance

Aggressive (During your turn, there is an additional combat phase after the first, and only creatures with aggressive may attack during it.)

Devoid (This card has no color.)

When you cast this spell, you may pay . If you do, target opponent sacrifices a creature. ( represents colorless mana.)

Flying

Bearer of Silence can't block.

Trample

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Whenever another creature you control enters, this creature gets +1/+0 until end of turn.

Up to two target creatures can't block this turn. (Then exile this card. You may cast the creature later from exile.)

Flying

Lure the Unwary — At the beginning of combat on your turn, choose an opponent.

Creatures attacking the last chosen player get +1/+0.