Name: Boiling Rock Rioter Cost: 2B Type: Creature -- Human Rogue Ally Pow/Tgh: 3/3 Rules Text: Firebending 1 (Whenever this creature attacks, add {R}. This mana lasts until end of combat.) Tap an untapped Ally you control: Exile target card from a graveyard. Whenever this creature attacks, you may cast an Ally spell from among cards you own exiled with this creature. Set/Rarity: Avatar: The Last Airbender rare, Avatar: The Last Airbender Promos rare Price: $0.22

Name: Bojuka Bog Type: Land Rules Text: This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}. Set/Rarity: Worldwake common, Commander 2011 common, Commander 2013 common, Commander 2014 common, Legendary Cube Prize Pack uncommon, Commander Anthology common, Commander 2017 common, Commander 2018 common, Commander 2019 common, Secret Lair Drop rare, Historic Anthology 2 common, Commander 2020 common, The List common, Time Spiral Remastered special, Commander 2021 common, Forgotten Realms Commander common, Midnight Hunt Commander common, Commander Legends: Battle for Baldur's Gate common, Dominaria United Commander common, The Brothers' War Commander common, Phyrexia: All Will Be One Commander common, March of the Machine Commander common, Tales of Middle-earth Commander mythic, Wilds of Eldraine Commander common, The Lost Caverns of Ixalan Commander common, Murders at Karlov Manor Commander common, Outlaws of Thunder Junction Commander common, Bloomburrow Commander common, Mystery Booster 2 common, Duskmourn: House of Horror Commander common, Tarkir: Dragonstorm Commander common, Edge of Eternities Commander common Price: $0.94

Name: Bojuka Brigand Cost: 1B Type: Creature -- Human Warrior Ally Pow/Tgh: 1/1 Rules Text: This creature can't block. Whenever this creature or another Ally you control enters, you may put a +1/+1 counter on this creature. Set/Rarity: Worldwake common Price: $0.08

Name: Bola Slinger Cost: 3W Type: Creature -- Cat Soldier Pow/Tgh: 2/2 Rules Text: 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. Set/Rarity: March of the Machine common Price: $0.07

Name: Bolas's Citadel Cost: 3BBB Type: Legendary Artifact Rules Text: 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. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life. Set/Rarity: Magic Online Promos rare, War of the Spark Promos rare, War of the Spark rare, Secret Lair Drop rare, Love Your LGS 2021 rare, Mystery Booster 2 rare, Final Fantasy: Through the Ages rare Price: $7.67

Name: Bold Defense Cost: 2W Type: Instant Rules Text: Kicker {3}{W} (You may pay an additional {3}{W} 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. Set/Rarity: Zendikar common Price: $0.10

Name: Bold Plagiarist Cost: 3B Type: Creature -- Vampire Rogue Pow/Tgh: 2/2 Rules Text: Flash Whenever an opponent puts one or more counters on a creature they control, they put the same number and kind of counters on this creature. Set/Rarity: Magic Online Promos rare, Commander 2021 rare Price: $0.23

Name: Bomat Bazaar Barge Cost: 4 Type: Artifact -- Vehicle Pow/Tgh: 5/5 Rules Text: When this Vehicle enters, draw a card. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.) Set/Rarity: Kaladesh uncommon, The List uncommon, Kaladesh Remastered uncommon Price: $0.25

Name: Bond of Agony Cost: XB Type: Sorcery Rules Text: As an additional cost to cast this spell, pay X life. Each other player loses X life. Set/Rarity: Dissension uncommon Price: $1.41

Name: Bond of Discipline Cost: 4W Type: Sorcery Rules Text: Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn. Set/Rarity: War of the Spark uncommon, Arena Beginner Set uncommon, The List uncommon Price: $0.21

Name: Bond of Revival Cost: 4B Type: Sorcery Rules Text: Return target creature card from your graveyard to the battlefield. It gains haste until your next turn. Set/Rarity: War of the Spark uncommon, Jumpstart Arena Exclusives uncommon Price: $0.11

Name: Bonded Construct Cost: 1 Type: Artifact Creature -- Construct Pow/Tgh: 2/1 Rules Text: This creature can't attack alone. Set/Rarity: Magic Origins common, Jumpstart: Historic Horizons common Price: $0.03

Name: Bonder's Ornament Cost: 3 Type: Artifact Rules Text: {T}: Add one mana of any color. {4}, {T}: Each player who controls a permanent named Bonder's Ornament draws a card. Set/Rarity: Commander 2020 common, The List common, Commander Masters common Price: $0.16

Name: Bonders' Enclave Type: Land Rules Text: {T}: Add {C}. {3}, {T}: Draw a card. Activate only if you control a creature with power 4 or greater. Set/Rarity: Magic Online Promos rare, Ikoria: Lair of Behemoths Promos rare, Ikoria: Lair of Behemoths rare, The List rare, Jumpstart 2022 rare, Commander Masters rare, Outlaws of Thunder Junction Commander rare, Modern Horizons 3 Commander rare, Final Fantasy Commander rare, Edge of Eternities: Stellar Sights rare Price: $0.31

Name: Bonds of Faith Cost: 1W Type: Enchantment -- Aura Rules Text: Enchant creature Enchanted creature gets +2/+2 as long as it's a Human. Otherwise, it can't attack or block. Set/Rarity: Innistrad common, Duel Decks: Heroes vs. Monsters common, Duel Decks: Blessed vs. Cursed common, The List common, Jumpstart: Historic Horizons common, Shadows of the Past common Price: $0.06

Name: Bone Dancer Cost: 1BB Type: Creature -- Zombie Pow/Tgh: 2/2 Rules Text: Whenever this creature attacks and isn't blocked, you may put the top creature card of defending player's graveyard onto the battlefield under your control. If you do, this creature assigns no combat damage this turn. Set/Rarity: Weatherlight rare Price: $2.79

Name: Bone Devourer Cost: 3B Type: Creature -- Dragon Pow/Tgh: 2/2 Rules Text: Flash Flying This creature enters with a number of +1/+1 counters on it equal to the number of creatures that died this turn. When this creature dies, you draw X cards and you lose X life, where X is the number of +1/+1 counters on it. Set/Rarity: Tarkir: Dragonstorm Commander rare Price: $0.27

Name: Bone Dragon Cost: 3BB Type: Creature -- Dragon Skeleton Pow/Tgh: 5/4 Rules Text: Flying {3}{B}{B}, Exile seven other cards from your graveyard: Return this card from your graveyard to the battlefield tapped. Set/Rarity: Core Set 2019 Promos mythic, Core Set 2019 mythic Price: $0.55

Name: Bone Flute Cost: 3 Type: Artifact Rules Text: {2}, {T}: All creatures get -1/-0 until end of turn. Set/Rarity: The Dark uncommon, Masters Edition III common Price: $0.86

Name: Bone Harvest Cost: 2B Type: Instant Rules Text: 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. Set/Rarity: Mirage common, Beatdown Box Set common Price: $0.23